A triangle has corners at #(2 , 1 )#, #(3 ,4 )#, and #(1 ,2 )#. What is the radius of the triangle's inscribed circle?
1 Answer
Jan 12, 2017
Explanation:
Let us name the given points
Using Distance Formula, we find that,
Similarly,
We notice that,
We know from Geometry that, the Inradius
hypo.)