# A triangle has corners at #(5 ,8 )#, #(3 ,9 )#, and #(4 ,7 )#. What is the area of the triangle's circumscribed circle?

##### 1 Answer

Aug 28, 2016

the area of the circle inscribed = 0.8160

#### Explanation:

the triangle is isoceles, side lengths =

triangle area (A) =

triangle perimeter (P) =

inradius (r) =

area of the circle =