britnygore britnygore
  • 23-10-2017
  • Mathematics
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A rectangle is 3 units wide and 4 units long. How long is its diagonal

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Аноним Аноним
  • 23-10-2017
if x is length of the diagonal then 

x^2 = 3^2 + 4^2  = 25

x = sqrt25 =  5

Diagonal is 5 units long
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