A triangle has vertices A, B, and C. Vertex A has an angle of #pi/2 #, vertex B has an angle of #( pi)/8 #, and the triangle's area is #3 #. What is the area of the triangle's incircle?
1 Answer
Nov 10, 2016
Area of incircle is
Explanation:
It is a right angled triangle whose angles are
Now let hypotenuse be
or
and sides are
and half perimeter
As radius of incircle is
and its area is