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Question

The adjacent angle of a parallelogram are (2x+7)o and (3x2)o. Find all the angles.

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Solution

The adjacent angles are given as (2x+7) and (3x2).

Since, the sum of the adjacent angles of a parallelogram is 180, then,

2x+7+3x2=180

5x+5=180

5x=175

x=35

(2x+7)=(2(35)+7)

=77

(3x2)=(3(35)2)

=103

And since the opposite angles of a parallelogram is equal, so, the angles will be 77,103,77,103.


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