Question

Joan is building a sandbox in the shape of a regular pentagon. The perimeter of the pentagon is 35y4 – 65x3 inches. What is the length of one side of the sandbox? 5y – 9 inches 5y4 – 9x3 inches 7y – 13 inches 7y4 – 13x3 inches

Answer 1

D. 7y^4 - 13x^3 inches

Answer 2

Explanation:

given that Joan is building a sandbox in the shape of a regular pentagon.

The perimeter of the pentagon is

`35y^4 - 65x^3`inches.

Since regular pentagon we know that all sides are equal and there are totally five sides.

Perimeter of regular pentagon = 5*side

= 5a where a = length of side

Equate 5a to given perimeter to get

`5a=35y^4 - 65x^3\\`

divide by 5

`a=(35y^4 - 65x^3)/(5) \\=7y^4-13x^3`