Queenashley0306 Queenashley0306
  • 17-07-2017
  • Mathematics
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I don't get how to do it i have tried but I can't I think that it might be 20 i think

I dont get how to do it i have tried but I cant I think that it might be 20 i think class=

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ruhibreddy
ruhibreddy ruhibreddy
  • 17-07-2017
Close! You forgot to square the 20!
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