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Question

Find the value of the unknown angles the following figures:
1145210_5b180ad2b5dc4ada97dc917764859484.png

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Solution

Here, ABCD is quadrilateral.
A=110o,B=100o,C=xoD=90o [ Given ]
Sum of angles of of quadrilateral is 360o.
A+B+C+D=360o
110o+100o+x+90o=360o
300o+x=360o
x=60o.

1256573_1145210_ans_3437dbcb7a494692bafb33376a928f92.png

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