Equation : 1 Mark
Steps : 1 Mark
Result : 1 Mark
The three angles in the given triangle are x, 2x and 3x.
For any triangle,
Sum of all the angles = 180o
Or, x + 2x + 3x = 180o
Or, 6x = 180o
Or x = 180o6 = 30o
The angles of the triangle will be 30o(x), 60o(2x) and 90o(3x)