2009 · Q13
The angles of a triangle are in AP and the greatest angle is double the least. What is the ratio of angles in the Indian measure?
Elementary MathematicsTrigonometry
- A2 : 3 : 4
- B1 : 2 : 3
- C3 : 3 : 6
- D4 : 5 : 7
Explanation
Angles in AP summing to 180°: 40°, 60°, 80°; ratio 2:3:4.