Box
Calculate the angle between box base 9 x 14 and body diagonal length 18.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- solid geometry
- cuboid
- space diagonal
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
- goniometry and trigonometry
- cosine
Units of physical quantities:
Grade of the word problem:
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