Question

Two angles of a triangle are in the ratio 1:2. The value
of one angle is 30 degree. Find the value of the biggest
angle.
1) 100
2) 90
3) 135
4) Cannot be determined 5) None of these.​

Answer 1

If one angle is 30 and 2 angles are in the ratio of 1:2 then one angle of the remaining two angles has be 60. Or one angle has to be 15°. By angle sum property therefore, the biggest angle would be 135°