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makvit [3.9K]
3 years ago
5

Find surface area please

Mathematics
1 answer:
MArishka [77]3 years ago
3 0

Answer:

203

Step-by-step explanation:

When calculating surface area, you add the area of each side.

Base: LxW = 7x7 = 49

Triangle Sides: 1/2 b x h = 1/2(7) x 11 = 38.5

4 sides: 38.5x4 = 154

154+49 = 203

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Another possible expression is to sum 3 times w, that is w + w + w (it's equal to 3*w).

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3 years ago
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