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Quadrilateral ABCD is inscribed in this circle. What is the measure of angle c?
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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?-example-1
User TotoroTotoro
by
4.9k points

1 Answer

2 votes
3x+x+20 = 180
4x = 180-20
4x = 160
x = 40

×+20+3x+2x+38+C=360
40+20+3×40+2×40+38+C=360
40+20+120+80+38+C=360
298+C=360
C=360-298
C =62°
User Sami Kanafani
by
5.1k points
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