The figure shows three circles (representing head and ears of Mickey Mouse) where a, b and c are respective radii, and d is the length of the exterior tangent. Prove that: http://gogeometry.com/problem/p041_sangaku_equation.gif.
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The figure shows three circles (representing head and ears of Mickey Mouse) where a, b and c are respective radii, and d is the length of the exterior tangent. Prove that: http://gogeometry.com/problem/p041_sangaku_equation.gif.
Hey geniusgarvil.
Can you show us what you have tried and the relationships you have used so far?
Hint: Find BC. Then compare triangles AFG and ABC.