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Don't worry as it looks hard but is A very easy question to solve...
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Let two adjacent angles ( ∠A and ∠B) of parallelogram be 3x and 2x.
We know that :-
sum of adjacent angles of parallelogram = 180°
According to the question :-
➝ ∠A + ∠B = 180°
➝ 2x + 3x = 180
➝ 5x = 180
➝ x = (180)/5
➝ x = 36
∠A = 2× 36
= 72°
∠B= 3×36
= 108°
In parallelogram opposite angles are equal.
Therefore, ∠A = ∠C = 72° and ∠B = ∠D = 108°
[ Kindly refer attached picture for diagram ]
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