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Really need help with math question. ​Quadrilateral ABCD ​ is inscribed in circle O. What is ​ m∠C ​ ?
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Really need help with math question.

​Quadrilateral ABCD ​ is inscribed in circle O.
What is ​ m∠C ​ ?

Really need help with math question. ​Quadrilateral ABCD ​ is inscribed in circle-example-1
User Pouyan
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1 Answer

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the opposite angles of a cyclic quadrilateral add up to 180 degrees , so

2x + 3 + 4x + 3 = 180
6x = 180 - 6

6x = 174
x = 29

so m<C = 2(29) + 1 = 59 degrees
User Maxymoo
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