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I need help on #11& #8

I need help on #11& #8
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3 votes
I need help on #11& #8

I need help on #11& #8-example-1
User Amito
by
8.4k points

1 Answer

2 votes
100 * pi = pi * r^2
Pi cancels on both sides of the equation
So... 100= r^2
= radius is 10
User Hatik
by
8.4k points
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