A triangle containing three tangent semicircles with diameters a, b and c. Three line segments pass through the red tangency points. What is the triangle perimeter?
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Solution
The perimeter is 2(a+b+c).

A triangle containing three tangent semicircles with diameters a, b and c. Three line segments pass through the red tangency points. What is the triangle perimeter?
Scroll down for a solution to this problem.
The perimeter is 2(a+b+c).