Ira built a model of the great pyramid in Egypt for a school project. The great pyramid had a square base with sides of length 756feet the height of the great pyramid is 481 feet Ira made his model pyramid using a scale of 1 inch :20 feet

A.what is the length of each side of the base of Ira's pyramid

B.what is the area of the base of ira's pyramid

C.what is the height of ira's pyramid

D. Ira built his model using cross sections tha were cut parallel to the base.what shape was each cross section?

3 answers

divide all lengths by 20 and use in instead of ft

divide all areas by 20^2, and use in^2 instead of ft^2.

The base is square. Any sections parallel to the base will naturally also be square.
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1. The length of the base of the pyramid is 38 inches.
2. The area of the base is 1,428.84. If rounded to the hundredths place, it's 1,400.
3. The height is 481.
4. The base is a square.