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Fittoniya [83]
3 years ago
15

I don't understand how to solve this please help

Mathematics
1 answer:
Bumek [7]3 years ago
6 0
Ok so the radius is half the diameter, and the diameter is half the circle.  And the area is the space inside a circle.  And pie is 3.14. 
So if your radius is 10 then you will multiply 10 x 10 to get 100.  Then multiply 100 x pie or 3.14 which you will get, 314cm².  So your answer is 314cm²

The formula for an area of a circle is radius x radius = ? 
Then multiply pie, 3.14 by your new radius x radius, and you got your answer.
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