Question

find the value of x and y in the following parallelogram.

please explain in detail...

Answer 1

Answer:

The sum of adjacent angles of Quadrilateral is 180°. So,

120°-x+y=180°

-x+y=60° ---eq(1)

x-80°+y=180°

x+y=260° ---eq(2)

From (1) subtracting (2)

-x+y=60°

x+y=260°

- -     -

-2x = -200°

x=100°

100°+y=260°

y=160°

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