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19 November, 06:16

Sarah is designing a triangular pyramid made of all glass to go on top of a building. All of the faces of the pyramid have a height of 26 feet and a base of 30 feet.

Note: Figure is not drawn to scale.

How much glass is needed?

A.

4,680 sq ft

B.

1,560 sq ft

C.

780 sq ft

D.

3,120 sq ft

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Answers (1)
  1. 19 November, 06:26
    0
    the answer is D

    Step-by-step explanation:

    times 26 by 30 then times the product by 4 since a trinaglar pyramid has four sides
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