Answer:
The answer is d my wonderful tutor assisted me
Area of a rectangle = length * width.
So L * w = 864
But w = 2/3L
So we have L * 2/3L = 864
L^2 = 864 * 3/2 = 1296
L = âš 1296
L= 36 and width = 2/3 * 36 = 72/3 = 24
Answer: 20
Step-by-step explanation:
