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Mathematics 9 Online
OpenStudy (vishal_kothari):

Let h1, h2, h3 be the altitudes of a triangle, and let  be the radius of its inscribed circle. Find the minimum of h1 +h2 + h3  over all triangles.

OpenStudy (anonymous):

is that pi?

OpenStudy (vishal_kothari):

it's not pi

OpenStudy (king):

let what be radius ?

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