Angle 30∘ and twice of another angle x are supplementary angles. Find the value of x (in degrees).
Two angles are called supplementary angles if their sum is 180∘.
So 30∘ + 2x = 180∘
x = 75∘
Ans:___
If ∠A = 2x and ∠B = 4x such that ∠A and ∠B are supplementary, then the value of x is: