Tetrahedral pyramid
Determine the surface of a regular tetrahedral pyramid when its volume is V = 120 and the angle of the sidewall with the base plane is α = 42° 30'.
Correct answer:
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See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- solid geometry
- pyramid
- surface area
- planimetrics
- Pythagorean theorem
- right triangle
- area of a shape
- triangle
- goniometry and trigonometry
- sine
- cosine
- tangent
- cotangent
Units of physical quantities:
Grade of the word problem:
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