SSAT Upper Level Math : How to find the area of a pentagon

Study concepts, example questions & explanations for SSAT Upper Level Math

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Example Questions

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Example Question #761 : Geometry

Find the area of a regular pentagon that has a side length of  and an apothem of .

Possible Answers:

Correct answer:

Explanation:

To find the area of a regular polygon,

To find the perimeter of the pentagon,

For the given pentagon,

So then, to find the area of the pentagon,

Example Question #31 : Areas And Perimeters Of Polygons

Find the area of a regular pentagon that has a side length of  and an apothem of .

Possible Answers:

Correct answer:

Explanation:

To find the area of a regular polygon,

To find the perimeter of the pentagon,

For the given pentagon,

So then, to find the area of the pentagon,

Example Question #32 : Areas And Perimeters Of Polygons

Find the area of a regular pentagon with a side length of  and an apothem of .

Possible Answers:

Correct answer:

Explanation:

To find the area of a regular polygon,

To find the perimeter of the pentagon,

For the given pentagon,

So then, to find the area of the pentagon,

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