Mathematics · Angles and Triangles
The angles of a triangle are in an arithmetic progression (A.P.). If the ratio of the smallest angle to the largest angle is 1 : 3 (or 60° : 180°), then the angles of the triangle are:
- 150°, 60°, 70°
- 220°, 60°, 100°
- 340°, 60°, 80°
- 430°, 60°, 90°✓
Correct answer
30°, 60°, 90°
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