Question

Write and solve an equation
PLEASE HELP ME

Answer 1

s+6+s+6+s+s+2s=102, s=18

Explanation:

The perimeter is the sum of the side lengths, so

the equation is s+6+s+6+s+s+2s=102.

`5s+12=102 \\ \\ 5s=90 \\ \\ s=18`