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stich3 [128]
3 years ago
10

When the radius of a circle is multiplied by a factor of 2 22, by what factor will the area of the circle change?

Mathematics
1 answer:
MAXImum [283]3 years ago
6 0
A = pi (r)^2
so with 222r

circle changes by a factor of 222^2
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Answer:

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The following are the rules to round of a number:

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a)  to the nearest thousand.

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Right Digit: 1

We round down the number

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