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Determine whether it is possible to circumscribe a circle about the quadrilateral.

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Determine whether it is possible to circumscribe a circle about the quadrilateral-example-1
Determine whether it is possible to circumscribe a circle about the quadrilateral-example-1
Determine whether it is possible to circumscribe a circle about the quadrilateral-example-2
User Anitra
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2 Answers

2 votes
2. 180.....
1. 180.....
User Malte Hartwig
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1. Yes. Opposite angles are supplementary.

2. No. Opposite angles are not supplementary.
User Blandger
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