
Find the total area of the shaded regions.

Answer to Problem 45STP
B
Explanation of Solution
Given:
The circumference of the
Formula Used:
If two line segments intersect inside the circle, the measure of the
Calculation:
Let the radius of the circle is r , find the radius :
The circumference of the circle =
The shaded region is half of the area of the circle , so the area of the shaded region is half of the area of the circle :
So, the correct option is B.
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