Tangent of an angle
Suppose the tangent of an angle of a right-angled triangle is 0.8. Then its longest side is:
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- arithmetic
- square root
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
- goniometry and trigonometry
- tangent
Units of physical quantities:
Grade of the word problem:
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