Roof angle
The house's roof has the shape of an isosceles triangle with arms 4 m long and the size of the base 6 m. How big an angle alpha does its roof make?
Correct answer:
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Calculation of an isosceles triangle.
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See also our trigonometric triangle calculator.
See also our right triangle calculator.
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
- planimetrics
- right triangle
- triangle
- goniometry and trigonometry
- sine
- cosine
- arcsine
- arccosine
Units of physical quantities:
Grade of the word problem:
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