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Question

The opposite of a parallelogram (3x2) and (x+48). Find the measure of each angle at the parallelogram.

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Solution

Let four angles of given parallelogram taken in order be A,B,CandD respectively.

Here opposite angles givenA=3x+2 and C=x+48

We know that opposite angles of a parallelogram are equal

3x2=x+48

2x=50

x=50/2

x=25

3x2=3(25)2=752=73

A=C=73

Also we know that sum of two adjacent angles of a parallelogram is $180^{\circ}$

A+B=180

73+B=180

B=18073

B=107=D (opposite angles are equal)

All four angles of given parallelogram are 73,107,73,107.

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