A triangle has vertices A, B, and C. Vertex A has an angle of #pi/2 #, vertex B has an angle of #( pi)/3 #, and the triangle's area is #21 #. What is the area of the triangle's incircle?
2 Answers
The area of the triangle's incircle is
Explanation:
This is a right triangle of
In right triangle
Area of the triangle ,
Semi perimeter is
Incircle radius is
Incircle Area =
The area of the triangle's incircle is
see a step process below;
Explanation:
Given;
Area
Getting the length..
Getting semi-perimeter..
Getting the radius..
Recall;