B.
This is because perpendicular lines have opposite and flipped slopes.
Perimeter is adding all 4 sides together:
8 + 8 + 9x + 9x
Simplify by coming like terms to get:
18x + 16
The answer is d. 18x + 16
Answer: 45.
Step-by-step explanation:
You would do 20 • 3=60 and the you would add 20 • 1/5=4 so, your total is 64in.
