Find the area of the circle.
L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVvWTNqOGJuTHdmTnhrVW1kRWx6R2lmOFAtRXRSM21JYmlqbDNRbG94LXJJSzRkRWZoZ0dHZUFHd2IwakFYRFgybm5OSXJqZjM4WWZmN1BjSGJiYllYRVdYazBULVZrUEpvMkc3X3RiQWtJVDBIUGNSdy4yS3dqV1pFWEtsZnZ4X1JZ?w=400&h=400
a
43.86 units squared
b
37.82 units squared
c
28.26 units squared
d
17.72 units squared
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