3 years ago

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:

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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