1.

The angles of a triangle are the ratio 2 : 3 : 4. Find all the three angles of a triangle.

Answer»

Let angles of a triangle are 2x, 3x, 4x
2x + 3x + 4x = 180°

⇒ 9x = 180°

⇒ x = 20°

Angles are

2x = 2 x 20° = 40°,

3x = 3 x 20° = 60°,

4x = 4 x 20° = 80°



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