In a regular 5

In a regular triangular prism ABCV, the angle between the lateral face and the base plane is α = 45°. Determine the angle between the lateral edge and the base plane.

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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

planimetry

right triangle
triangle

goniometry and trigonometry

arcsine

Units of physical quantities

unit conversion
angle

Grade of the word problem

practice for 14 year olds
high school

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