Triangular pyramid

A perpendicular regular triangular pyramid is given: base side a = 5 cm, height v = 8 cm, volume V = 28.8 cm³. What is its area (surface area)?

Your answer:

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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
area of a shape
triangle

Units of physical quantities

volume

Grade of the word problem

practice for 14 year olds
high school

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