Question

What is the approximate area of the regular pentagon?

288 cm2
342 cm2
432 cm2
691 cm2

Answer 1

the answer is B. 342cm^2

Answer 2

Using the Pythagorean theorem, we can calculate the apothem of the pentagon.

We have then:

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Then, the area of the pentagon is given by:

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Where,

L: side of the pentagon

a: apotema

Substituting values:

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Rounding the nearest whole we have:

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Answer:

the approximate area of the regular pentagon is:

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