Answer:
L = 40 The length is AC
W = 20 The width is AB
Step-by-step explanation:
Givens
P = 120
AB = 1/2 AC
Solution
P = L + L + W + W
W = 1/2 L
P = L + L + 1/2L + 1/2L Combine like terms
P = 3L
120 = 3L Divide by 3
3L/3 = 120/3
L = 40
W = 1/2 L
W = 1/2 * 40
W = 20
