Find thtwo adjacent angles of a parallelogram are in the ratio 3:2 find the measure of each of the angles of the parallelogram ?
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SOLUTION:-
Let ABCD be a parallelogram such that ∠A & ∠B are 3x & 2x respectively.
Since,
Adjacent angles are supplementary,
So,
∠A + ∠B= 180°
=) 3x + 2x = 180°
=) 5x = 180°
=) x= 180°/5
=) x= 36°
Thus,
∠A = 3x, 3×36° = 108°
∠B = 2x, 2×36° = 72°
And, we know that opposite angles of a parallelogram are equal.
∠C= ∠A = 108°
∠D= ∠B= 72°
Hope it helps ☺️
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