TACHS Math : Perimeter/Circumference

Study concepts, example questions & explanations for TACHS Math

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Example Questions

Example Question #1 : Perimeter Of Triangles, Squares, And Rectangles

Find the perimeter of a square with the following side length:

Possible Answers:

Correct answer:


Perimeters can be calculated by adding together the side lengths of a polygon. A square has four sides that are all the same length, therefore, we can write the following formula to solve for the perimeter.

We can rewrite this equation as the following:

In these equations the variable, , represents side length.

Substitute the known side length and solve.

Example Question #1 : Geometry

Find the circumference of a circle with the following radius:

Possible Answers:

Correct answer:


In order to find the circumference of a circle we will use the following formula:

In this equation, the variable, , represent's the circle's radius.

Substitute in for the circle's radius.

Simplify and solve.

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