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January 25, 2015

January 25, 2015

Posted by **jessica** on Friday, August 26, 2011 at 11:37am.

circle P with points A, B, and C on the circle and inscribed angle A C B drawn

Question 4 answers

-2

-4

-6

-8

- geometry -
**Reiny**, Friday, August 26, 2011 at 12:42pmSomething is not right here.

You say arc AB = -4x °, but the arc AB would not be measured in degrees.

Did you mean the central angle subtended by arc AB is -4x° ? That would make sense.

If so, then the central angle subtended by an arc is twice the angle subtended by the same arc at the circle.

then

-4x = 2(-3x - 6)

-4x = -6x - 12

2x = -12

x = -6 , which is one of the choices

- geometry -
**Anonymous**, Thursday, June 14, 2012 at 12:57pmB = 4x + 10

- geometry -
**ketelene**, Thursday, December 6, 2012 at 2:47pm2.5

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