the measures of two adjacent angles of parallelogram are in the ratio 32 . find the measure of each of the angle of the parallelogram
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Correct Question :
The measures of two adjacent angles of parallelogram are in the ratio 3 : 2 . Find the measure of each of the angle of the parallelogram ?
Answer :
Step-by-step explanation :
Let the parallelogram be ABCD, and let given the adjacent angles be ∠A and ∠B.
∴ ∠A + ∠B = 180° ........adjacent angles are supplementary
Let the given, ratio angles be 3x and 2x
» 3x + 2x = 180
» 5x = 180
» x = 180 / 5
» x = 36
Now, the angles are :
» 3x = 3 * 36
» 108°
» 2x = 2 * 36
» 72°
Therefore, the angles are
∠A = ∠C = 108° .. opposite angles
∠B = ∠D = 72° .. opposite angles
Now, Verification
» 108 + 72 + 108 + 72 = 360
» 180 + 180 = 360
» 360 = 360
L.H.S = R.H.S
Hence, Verified !
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