A triangle has vertices A, B, and C. Vertex A has an angle of #pi/2 #, vertex B has an angle of #( pi)/4 #, and the triangle's area is #15 #. What is the area of the triangle's incircle?
1 Answer
Feb 24, 2017
Explanation:
Triangle ABC is a right triangle. Since one of its angle is
Thus
The hypotenuse of the right triangle ABC would be
The sum of the sides of triagle ABC would this be
If 'r' is the radius of the incircle then
Thus