Mathematics, 21.04.2021 17:40 CM0
Rachel has a toy shaped like a triangular pyramid in which the base and the lateral faces are congruent equilateral triangles. The side lengths of the triangles are 4 inches. The height of each triangle is about 3.5 inches. Rachel wants to cover all the lateral surfaces except for the base with yellow paper.
The amount of paper required to cover the lateral surfaces is about
square inches. If she wants to cover the entire pyramid with yellow paper, she would require about
more square inches of paper.
Answers: 1
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Rachel has a toy shaped like a triangular pyramid in which the base and the lateral faces are congru...
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