3 years ago

What’s the surface area?

Mathematics

1 answer:

MakcuM [25]3 years ago

6 0

The area of one of the triangles is 1/2 x 5.1 x 5.95 = 15.1725 square cm.

There are 4 triangles:

15.1725 x 4 = 60.69 square cm..

The area of the square bottom = 5.1 x 5.1 = 26.01 square cm.

Total area = 60.69 + 26.01 = 86.7

The answer is B.

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