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qwelly [4]
3 years ago
5

Devon studied the composite figure.

Mathematics
2 answers:
Nat2105 [25]3 years ago
8 0
If we look at his calculations
2((9)(20) is the front an back rectangle
2((9)(34)) is the side rectangles
(34)(20) is the bottom
2(1/2(20(24)) is te front and top triangles
and the last one assumes that they are triangles which is incorrect

answer is D
Luden [163]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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