The measures of the angles of a triangle are in the ratio 5:4:3. What is the measure of the smallest angle?
Q1. The measures of the angles of a triangle are in the ratio 5:4:3. What is the measure of the smallest angle?
Answer: 45°
Explanation: Angles are in ratio 5:4:3, summing to 12 parts = 180°; smallest angle = 3/12 × 180° = 45°.