two adjacent angels ofa parallelogram are congruent .what is the measure of each?
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let ABCD be given parallelogram
Let A and B be the given angles
we know that sum of adjacent angles of a parallelogram is 180°
A/q. angles are congruent
so, A=B
A+B= 180°
2A=180°
A=180°/2=90°
Now, A=C
and, A=B
and, B=D
so, measure of each angle is 90°
hope it is useful
Let A and B be the given angles
we know that sum of adjacent angles of a parallelogram is 180°
A/q. angles are congruent
so, A=B
A+B= 180°
2A=180°
A=180°/2=90°
Now, A=C
and, A=B
and, B=D
so, measure of each angle is 90°
hope it is useful
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