Online Geometry Education

Geometry Problem 417: Tangent circles, Tangent lines, Angles

The figure shows circles A and B tangent at C. FE is tangent to circle A and FD is tangent to circle B. If the measure of angle ECD is 82 degrees, find the measure of angle DFE. View or Post a solution. See also: Art or problem 417 using mobile apps.

Tangent circles, tangent lines, Angles

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