SOLUTION: find the shaded area of a circle with a diameter of 3/4 the circle is cut in half with the shaded area in the top in the bottom half of the circle it shows the 3/4 diameter

Algebra ->  Circles -> SOLUTION: find the shaded area of a circle with a diameter of 3/4 the circle is cut in half with the shaded area in the top in the bottom half of the circle it shows the 3/4 diameter      Log On


   

Question 1037873: find the shaded area of a circle with a diameter of 3/4 the circle is cut in half with the shaded area in the top in the bottom half of the circle it shows the 3/4 diameter
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The area of the whole circle is:
+A+=+pi%2Ar%5E2+
+r+=+%281%2F2%29%2A%283%2F4%29+
+r+=+3%2F8+
-------------------
+A+=+pi%2A%283%2F8%29%5E2+
+A+=+pi%2A%289%2F64%29+
This is the area of the entire circle
The area of 1/2 of the circle is:
+A%2F2+=+pi%2A%28+9%2F128+%29+