Pyramid roof

How many m² of the galvanized sheet is used to cover the roof of the tower, which has the shape of a four-sided pyramid, whose base edge is 6 m long? The height of the tower is 9 m. When covering, is 5% metal waste expected?

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

algebra

rearrange variables

arithmetic

square root

solid geometry

pyramid
surface area

planimetry

Pythagorean theorem
right triangle
area of a shape
triangle

basic operations and concepts

percentages

Grade of the word problem

practice for 14 year olds
high school

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