Answered

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Serena is making a model of one of the Egyptian pyramids. The square base has sides that are all 4.2 in. Each of the triangular faces has a base of 4.2 in and a height of 3.6 in. How much paper would it take to cover the entire pyramid?

Serena Is Making A Model Of One Of The Egyptian Pyramids The Square Base Has Sides That Are All 42 In Each Of The Triangular Faces Has A Base Of 42 In And A Hei class=

Sagot :

Answer:

Amount of paper need = 47.88 in²

Step-by-step explanation:

Given:

Square base side = 4.2 in

Height of triangle = 3.6 in

Find:

Amount of paper need

Computation:

Amount of paper need = Area of square base + 4[Area of triangle]

Amount of paper need = Side² + 4[1/2][b][h]

Amount of paper need = 4.2² + 2[4.2][3.6]

Amount of paper need = 17.64 + 30.24

Amount of paper need = 47.88 in²

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