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vampirchik [111]
3 years ago
13

A paperweight has the shape of a regular triangular Pyramid find the area of the paperweight

Mathematics
1 answer:
s2008m [1.1K]3 years ago
5 0

Answer:

<h2>70.75 in²</h2><h2></h2>

Step-by-step explanation:

area of a triangular pyramid = base area + 3(triangular sides area)

                                              = 1/2 (5) 4.3  +  3 (1/2 x 5 x 8)

                                              = 10.75 + 3(20)

                                              = 70.75 in²

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