Geometry and TrigonometryMediumHypotenuse of a 30-60-90 triangle
Geometry and Trigonometry practice question
In a right triangle with acute angles of 30° and 60°, the shorter leg has length 5. What is the length of the hypotenuse?
Answer: 10
In a 30-60-90 triangle the hypotenuse is twice the shorter leg: 10.
Common wrong answers
- If you answered 15
- 15 triples the leg.
- If you answered 8.7
- 8.7 is the longer leg, 5√3.
- If you answered 7.1
- 7.1 is 5√2, the 45-45-90 ratio.
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