Question

ABCD is a quadrilateral. Find the values of x , y and z​

Answer 1

ans- y=60degrees

as by the prop. of linear pair

120+y=180

y=180-120

y=60degrees

by prop. of interior angles of a quad. (its sum is 360 degrees)

70+80+60+x=360

210+x=360

x=360-210

x=150 degrees

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