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Help................

Help................
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3 votes
Help................

Help................-example-1
User Bruno Costa
by
7.8k points

1 Answer

3 votes

Answer:

80

Explanation:

The opposite angles in a cyclic quadrilateral are supplementary. The sum of the opposite angles is equal to 180˚

x+100=180

x=180-100=80

User Kztd
by
8.3k points
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