# Geometry

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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 -

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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