Point C is the center of the circle. The measure of angle ACB is 3x+20. Arc AB measures 65x-4. Find measure of arc AB

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03-08-2017
Mathematics

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Point C is the center of the circle. The measure of angle ACB is 3x+20. Arc AB measures 65x-4. Find measure of arc AB

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mreijepatmat mreijepatmat · Answer 1 · 2017-08-03T06:25:02+02:00

mreijepatmat mreijepatmat

03-08-2017

In a circle the measure of a CENTRAL angle = measure of the arc intercepted.
mes Angle ACB = mes Arc AB:

3x+20 = 65x-4
24 = 65x -3x

62x = 24
x = 24/62 = 12/31 = 0.3871

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