SOLUTION: Work out the area of a semicircle. Diameter - 20cm.

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Question 910710: Work out the area of a semicircle. Diameter - 20cm.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a circle is,
A=%28pi%2F4%29D%5E2
A semicircle would have half that area,
A%5Bsc%5D=%28pi%2F8%29D%5E2
A%5Bsc%5D=%28pi%2F8%29%2820%5E2%29