A triangle has sides with lengths of 2, 1, and 7. What is the radius of the triangles inscribed circle?

1 Answer
Veddesh #phi#
Jan 28, 2016

It is not possible

Explanation:

A triangle with sides 2,1,7 doesn't exist

Using the triangle inequality theorem:Each side of a triangle triangle must be shorter than the sum of the other two sides

#(7>2+1)#Wrong!
#(2<1+7)#Correct!
#(1<2+7)#Correct!

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