Answer:
Let the given angles of the triangle be 4x, 3x and 2x.
We know that the sum of all interior angles of a triangle is 180°.
Therefore,
- 4x+3x+2x = 180
- 9x = 180
- x = 180/9
- x = 20
Hence, the angles of the triangle are -
- 4x = 4×20 = 80°
- 3x = 3×20 = 60°
- 2x = 2×20 = 40°