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2 years ago

Someone help!!! 18 pts :((

Mathematics

2 answers:

Elina [12.6K]2 years ago

7 0

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Here's the Surface Area formula I use ⇣

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Surface Area = length x width + length x height + height x width

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So, let's use it...

9m x 7m = 63m

9m x 5m = 45m

5m x 7m = 35m

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63m + 45m + 35m = 143m

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Have a great day! :)

~pinetree

Jlenok [28]2 years ago

6 0

Answer:

286

Step-by-step explanation:

Formula 2 x (height x depth + height x width + depth x width)
2 x (5 x 7 + 5 x 9 + 7 x 7) = 286

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