A triangle has vertices A, B, and C. Vertex A has an angle of #pi/12 #, vertex B has an angle of #pi/6 #, and the triangle's area is #9 #. What is the area of the triangle's incircle?
1 Answer
Jan 23, 2017
Explanation:
Here is a helpful reference
Given
Compute
From the reference, the square of radius of the incircle is:
The area of the incircle is:
Substitute the values for,