brs29C4C brs29C4C

21-03-2019
Mathematics

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Quadrilateral ABCD is inscribed in this circle.

What is the measure of angle C?

Enter your answer in the box.

°

Quadrilateral ABCD is inscribed in this circle What is the measure of angle C Enter your answer in the box class=

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choixongdong choixongdong

21-03-2019

Answer:

<C = 107°

Step-by-step explanation:

2x - 4 + 3x + 9 = 180

5x + 5 = 180

5x = 175

x = 35

<A = 2(35) + 3 = 73

<B = 2(35) - 4 = 66

<D = 3(35) + 9 = 114

<C = 360 - (73 + 66 + 114)

<C =360 - 253

<C = 107

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