Question

24. If the angles of a triangle are in the ratio of 1:2:3, then find the value of the largest angle RRB NTPC (Phase I) 2016 (1) 30° (2) 60° (3) 90° (4) 120°

11th - 12th Class

Maths

Solution

4.0 (1 ratings)

24. (3) According to the question, [ begin{aligned} x+2 x+3 x &=180^{circ} 6 x &=180^{circ} x &=30^{circ} end{aligned} ] Hence, the largest angle ( =3 times 30^{circ}=90^{circ} )