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OpenStudy (anonymous):
Find the area of a circle whose diameter is 16 ft. 800 square ft 200 square ft 803.84 square ft 200.96 square ft
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OpenStudy (joannablackwelder):
The area of a circle is πr^2
OpenStudy (joannablackwelder):
Can you find the radius?
OpenStudy (anonymous):
the radius would be half the diameter right, which is 8
OpenStudy (joannablackwelder):
Sweet. :) Now can you plug it into the formula for area?
OpenStudy (anonymous):
ok... 8x8x3.14 ok got it!
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OpenStudy (joannablackwelder):
:) Good job!
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