- A45
- B20.5
- C24.5
- D22.5
Step-by-Step Solution
Acute angles sum to 90°. Let smaller = , larger = deg.
Answer: D) 22.5
In triangle XYZ, angle X = 90° and one acute angle is 3 times the other. If angle Y is the smaller acute angle, find angle Y (in degrees).
Class 9Angle Sum of a TriangleGeometry — Lines and Angles
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