There is ABCD tetrahedron with inscribed sphere. S is a center of the(adsbygoogle = window.adsbygoogle || []).push({});

sphere, radius of the sphere equates 1 and SA>=SB>=SC. Prove that

SA>(5)^(0,5).

I can't solve it. Could anybody help me?

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# Homework Help: Tetrahedron homework

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