Let's get the width as
So,
The length of the rectangle is
The perimeter of the rectangle is
Let's get the answer for width,
☆ 2 (2x + 2) + 2x = 82
4x + 4 + 2x = 82
6x + 4 = 82 - 4
6x ÷ 6 = 78 ÷ 6
x = 13
Let's get the answer for length,
☆ 2x + 2
2 × 13 + 2
28
Then,
☆...hope this helps...☆
_♡_mashi_♡_