sya5i5daKJennedy sya5i5daKJennedy
  • 20-10-2016
  • Mathematics
contestada

The area of a square is 81 centimeters find the length of the length find the diagonal

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SJ2006
SJ2006 SJ2006
  • 21-10-2016

Length = √area  = √81 = 9

diagonal = √2 * side = √2*9 = 9√2

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