itzallyyy23 itzallyyy23
  • 20-05-2020
  • Mathematics
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I need number 3 only please help me!!

I need number 3 only please help me class=

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ChillMuse
ChillMuse ChillMuse
  • 20-05-2020

The answer is 9 times. This is because if the radius of A is r, and the radius of B is 3r, the radii will be squared while finding the formula. So, r will become r squared, while 3r will become 9r squared.

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