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Andrej [43]
3 years ago
11

I need help on #11& #8

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0
100 * pi = pi * r^2
Pi cancels on both sides of the equation
So... 100= r^2
= radius is 10
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Luba_88 [7]

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3 years ago
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