All shapes in the picture are half-circles. If the radius of the smaller half-circle is 1, what is the area of the colored region?
The tic marks represent the center of the smaller half-circles.
The center tic mark is also the center of the larger half-circle.
The tic marks represent the center of the smaller half-circles.
The center tic mark is also the center of the larger half-circle.
1 Answer
Explanation:
let
given
Area of the larger semi-circle
Area of each smaller semi-circle
As
Area of each equilateral triangle
Area of each segment
Now,
Green area