Keenan wants to make a paperweight at pottery class. He designs a pyramid-like model with a base area of 80 square centimeters and a height of 7.5 centimeters. The density of the clay he is using is 1.7 grams per cubic centimeter. What is the weight of Keenan's paperweight?

Question

Mathematics

Michelle Carr

28 December, 12:27

Keenan wants to make a paperweight at pottery class. He designs a pyramid-like model with a base area of 80 square centimeters and a height of 7.5 centimeters. The density of the clay he is using is 1.7 grams per cubic centimeter. What is the weight of Keenan's paperweight?

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Answers (1)

Know the Answer?

Shiloh Good · Answer 1

Answer: Weight of project: 340 grams

Step-by-step explanation:

It's a simple geometry problem to be honest. So you want to start off with the equation for the volume of a pyramid which is 1/3BH where B=Base and H = Height.

So it should look like this 1/3 (80) (7.5) = 200cm 2 x 7.5g = 340 Grams