Side edges

The regular 4-sided pyramid has a body height of 2 dm, and the opposite side edges form an angle of 70°.
Calculate the surface area and volume of the pyramid.

Your answer:

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

solid geometry

pyramid
surface area

planimetry

Pythagorean theorem
right triangle
triangle
square
diagonal

goniometry and trigonometry

tangent

Units of physical quantities

volume
angle

Grade of the word problem

practice for 14 year olds

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