A triangle has corners at #(3 , 5 )#, #(4 ,7 )#, and #(4 ,6 )#. What is the radius of the triangle's inscribed circle?
1 Answer
May 18, 2018
Radius of inscribed circle
Explanation:
Using distance formula,
Area of triangle knowing all three sides is given by
Where semi perimeter =
Let r be the radius of incircle.
Then