Geometry and TrigonometryEasySmaller acute angle from a ratio
Geometry and Trigonometry practice question
The two acute angles of a right triangle are in the ratio 1 to 2. What is the measure, in degrees, of the smaller acute angle?
Answer: 30
The acute angles sum to 90°, and 90/3 = 30 for the smaller.
Common wrong answers
- If you answered 45
- 45 assumes the angles are equal.
- If you answered 60
- 60 is the larger acute angle.
- If you answered 90
- 90 is the right angle.
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