Question

In the rectangle to the left, what is the length of each side?

Answer 1

Perimeter = 2 * (x + 15)

Explanation:

Rectangle:

l = 2/3x + 10

b = 1/3x + 5

Perimeter = 2 * (l + b)

= 2 * ( 2x/3 + 10 + 1x/3 + 5)

= 2 * (3x/3 + 15)

= 2 * (x + 15)