How to find the perimeter of a square - SSAT Elementary Level Quantitative
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Which shape has only
angles?
Which shape has only angles?
A pentagon has
angles.

A pentagon has angles.
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What shape has only
sides?
What shape has only sides?
A pentagon has
sides.

A pentagon has sides.
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What shape has only
angles?
What shape has only angles?
A hexagon has
angles.

A hexagon has angles.
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Which shape has only
sides?
Which shape has only sides?
A square has
sides.

A square has sides.
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Which formula would you use to find the perimeter of a square?
Which formula would you use to find the perimeter of a square?
The perimeter of a square is the sum of all its sides:

The perimeter of a square is the sum of all its sides:
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If John draws a square with a side of 7 centimeters, what is the square's perimeter?
If John draws a square with a side of 7 centimeters, what is the square's perimeter?
To find the perimeter of a square, multiply the side length by 4:

Adding all four sides will produce the same result:

To find the perimeter of a square, multiply the side length by 4:
Adding all four sides will produce the same result:
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What is the perimeter of a square of area 36?
What is the perimeter of a square of area 36?
The area of a square is the square of the length of its side (all sides are equal in a square). If the area is 36, then the length of each side is 6.
The perimeter of a square is 4 times the length of its side. Therefore, 4 times 6 is 24.
The area of a square is the square of the length of its side (all sides are equal in a square). If the area is 36, then the length of each side is 6.
The perimeter of a square is 4 times the length of its side. Therefore, 4 times 6 is 24.
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A square has an area of 49 square units. What is its perimeter?
A square has an area of 49 square units. What is its perimeter?
The area of a square is the side length squared.

We can find this number by taking the square root of 49.

Therefore, the length of each side is 7 units.
The perimeter of a square is the sum of the lengths of the sides. There are 4 sides, each with a length of 7.

The perimeter is 28 units.
The area of a square is the side length squared.
We can find this number by taking the square root of 49.
Therefore, the length of each side is 7 units.
The perimeter of a square is the sum of the lengths of the sides. There are 4 sides, each with a length of 7.
The perimeter is 28 units.
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What is the perimeter of a square that has a side measuring 3 inches in length?
What is the perimeter of a square that has a side measuring 3 inches in length?
Perimeter is the sum of all the sides. For a square,
.
Therefore, for this square,

Perimeter is the sum of all the sides. For a square, .
Therefore, for this square,
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What is the perimeter of a square that has a side measuring 1 inch in length?
What is the perimeter of a square that has a side measuring 1 inch in length?
Perimeter is the sum of all the sides. For a square, 
Therefore, for this square,

Perimeter is the sum of all the sides. For a square,
Therefore, for this square,
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The perimeter of a square is
. What is the length of one of its sides?
The perimeter of a square is . What is the length of one of its sides?
A square has four equal sides. Perimeter is the sum of these four sides. Therefore,
.
A square has four equal sides. Perimeter is the sum of these four sides. Therefore,
.
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Which of the following is NOT a quadrilateral?
Which of the following is NOT a quadrilateral?
Quadrilaterals have 4 sides. A nonagon has 9 sides.
Quadrilaterals have 4 sides. A nonagon has 9 sides.
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What is the perimeter of the square?
What is the perimeter of the square?
To find the perimeter of this square, add all four sides together. Even though we are only given one side's length, every side of a square always has the same length!

To find the perimeter of this square, add all four sides together. Even though we are only given one side's length, every side of a square always has the same length!
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What is the PERIMETER of the square in the figure?

What is the PERIMETER of the square in the figure?
Because the problem asks you to find the perimeter, you are looking for the total distance around the outside of the shape. The problem also tells you that the figure is a square, so you know that all the sides are 10 cm. Adding all four sides gives the perimeter:

Because the problem asks you to find the perimeter, you are looking for the total distance around the outside of the shape. The problem also tells you that the figure is a square, so you know that all the sides are 10 cm. Adding all four sides gives the perimeter:
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What is the perimeter of the square?
What is the perimeter of the square?
To find the perimeter of a square, simply add all four sides together. Even though we are only given one side's length, squares always have four, equal sides!

To find the perimeter of a square, simply add all four sides together. Even though we are only given one side's length, squares always have four, equal sides!
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What is the perimeter of the square?
What is the perimeter of the square?
To find the perimeter of a square, add all four sides together. Since each side of a square is the same length, we only need one side's length to figure out the perimeter of a square!

To find the perimeter of a square, add all four sides together. Since each side of a square is the same length, we only need one side's length to figure out the perimeter of a square!
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What is the perimeter of the square?
What is the perimeter of the square?
To find the perimeter of a square, simply add all four sides together. Since squares always have four equal sides, we only need the length of one side to determine the perimeter!

To find the perimeter of a square, simply add all four sides together. Since squares always have four equal sides, we only need the length of one side to determine the perimeter!
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If the perimeter of a square is
, what is the length of each side?
Round your answer to the nearest whole number.
If the perimeter of a square is , what is the length of each side?
Round your answer to the nearest whole number.
Since all four sides of a square have the same length, we can multiply the length by
to find the perimeter:

Plug in the perimeter and solve for the unkown length:

Since all four sides of a square have the same length, we can multiply the length by to find the perimeter:
Plug in the perimeter and solve for the unkown length:
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What is the perimeter of the above square?
What is the perimeter of the above square?
To find the perimeter of the square, add all four sides together. Even though we are not given the length of all four sides, we know each side is the same length because all squares have four equal sides.

To find the perimeter of the square, add all four sides together. Even though we are not given the length of all four sides, we know each side is the same length because all squares have four equal sides.
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If the area of a square is
, what is the perimeter of the square?
If the area of a square is , what is the perimeter of the square?
Write the formula for the area of a square and substitute the area. The side length is needed to find the perimeter.


There are
sides in a square.

Write the formula for the area of a square and substitute the area. The side length is needed to find the perimeter.
There are sides in a square.
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