Pyramid Roof Sheet Metal

The roof of the recreation cottage has the shape of a regular four-sided pyramid with a height of 8 m and a base edge of 4 m. How much ℅ went to folds and joints, and 75.9 square meters of sheet metal were used to cover the roof?

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You need to know the following knowledge to solve this word math problem:

algebra

rearrange variables

solid geometry

pyramid
surface area

planimetry

Pythagorean theorem
right triangle
triangle

basic operations and concepts

percentages

Grade of the word problem

practice for 14 year olds
high school

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