Homework Help: Geometry

Posted by Maria on Sunday, May 20, 2012 at 9:39pm.

A 60 degree arc, of circle A, has exactly the same lenght as a 45 degree arc, of circle B. Find the ratio of the radius of circle A to the radius of circle B

Geometry - Henry, Tuesday, May 22, 2012 at 5:11pm
Ar/Br = 45/60 = 3/4.

Ar = Radius of circle A.
Br = Radius of circle b.
Circle A is the smaller circle.

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