How to find the length of the side of a trapezoid - ACT Math
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Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above
Given the height of a trapezoid is
and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Given the height of a trapezoid is and a base length is
, what is the length of the other base if the area of the trapezoid is
?
Write the formula used to find the area of a trapezoid.

Substitute the given information to the formula and solve for the unknown base.



Write the formula used to find the area of a trapezoid.
Substitute the given information to the formula and solve for the unknown base.
Compare your answer with the correct one above

is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
is an isosceles trapezoid that is bisected by
.
. If
,
, and
, then what is the length of
?
We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:

Once we substitute the given information, we get

We cross multiply to solve for EF

We know that all three horizontal lines are parallel to one another. By definition, we can set up a ratio between the lengths of the sides provided to us in the question and the lengths of the two parallel lines:
Once we substitute the given information, we get
We cross multiply to solve for EF
Compare your answer with the correct one above