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alisha [4.7K]
3 years ago
7

Find the surface area 12cm 15cm 14cm 14cm

Mathematics
1 answer:
Ivahew [28]3 years ago
5 0

Answer:

1288

Step-by-step explanation:

Triangles on the top have surface area 15*14/2 there are four of them so multiply by four to get 420.

The rectangular sections all have area 12*14 except for the base. There are four of these equal sections, so the combined area is 672.

Lastly, the base has area 14*14, which is 196.

Summing all of these we get 1288

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