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Spandan Singh · Answer 1 · 2019-03-15T16:22:42+0000

I think that you have to find the area so you have to know the radius of the circle that is 3.9 you just divide 7.85 by 2 is equal 3.9 and then you find the area with tge formula A=

$a = \pi r {}^(2)$
so you have to multiply 3.9 times 3.9 and the results is 5.21

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