Posted by **Anonymous** on Wednesday, November 2, 2011 at 7:58am.

Arc AB measures 5x + 2. Angle ACB measures 3x + 14. Find the value of x.

- geometry -
**drwls**, Wednesday, November 2, 2011 at 8:11am
Angles and arcs have different dimensions. Both are presented as dimensionless numbers in your question.

The question makes no sense to me.

- geometry -
**Steve**, Wednesday, November 2, 2011 at 12:29pm
Presumably C is the center of a circle, and A and B are points on the circle.

arc AB = r * angle ACB

5x+2 = r(3x+14)

5x+2 = 3rx + 14r

x(5-3r) = 14r-2

x = (14r-2)/(5-3r)

Not knowing the radius of the circle, it's tough to get a value for x.

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