what is the area of Gisselle's room?
A. 420 m²
B. 320 m²
C. 520 m²
D. 430 m²
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what is the area of Gisselle's room?
A. 420 m²
B. 320 m²
C. 520 m²
D. 430 m²
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Answer:
A = 420²
Step-by-step explanation:
Rectangle A;
A = L x W
L = 15m
W = 9m
A = 15m x 9m
A = 135m²
Rectangle B;
A = L x W
L = 15m
W = 9m
A = 15m x 9m
A = 135m²
Rectangle C;
A = L x W
L = 21 - 15 = 6
W = 25
A = 6 x 25
A = 150m²
Rectangle A, B, C
A = 135 + 135 + 150
A = 420²