Please help need ASAP

Problem 1

Approximately 172.04774 square inches

Work Shown:

In this case, we have n = 5 sides and each side is x = 10 units long

A = area of regular polygon

A = 0.25*n*x^2*cot(180/n)

A = 0.25*5*10^2*cot(180/5)

A = 172.04774

cot stands for cotangent, and cot(x) = 1/( tan(x) ). Your calculator needs to be in degree mode for the formula above to work. This formula only applies to regular polygons.

Problem 2

Approximately 309.019336 square cm.

Work Shown:

We'll use the same formula as problem 1. This time we know that there are n = 8 sides. The perimeter is 64, so each side is x = 64/n = 64/8 = 8.

So,

A = 0.25*n*x^2*cot(180/n)

A = 0.25*8*8^2*cot(180/8)

A = 309.019336

sine

step-by-step explanation:

answer

false

explanation

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