3 years ago

Quadrilateral ABCD is inscribed in this circle. What is the measure of angle C?

Mathematics

1 answer:

Shkiper50 [21]3 years ago

6 0

Answer:

107 degrees

Step-by-step explanation:

For an inscribed quadrilateral, the opposite angles are supplementary. Thus, B+D = 180 and you can solve for x.

3x+9+2x-4 = 180

5x = 175

x = 35

Next, plug the x value into angle A.

2(35) + 3 = 73

Angle C is the supplement of this which is 180-73 = 107

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Quadrilateral ABCD​ is inscribed in this circle. What is the measure of angle C?

Quadrilateral ABCD is inscribed in this circle. What is the measure of angle C?