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  • 12-03-2018
  • Mathematics
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explanation and answer

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choixongdong
choixongdong choixongdong
  • 12-03-2018
18)
h/4 = 12/h
h^2 = 48
h = 6.93

19)
x/ 12 = 3/x
x^2 = 36
x = 6

y^2 = 144 - 36
y^2 = 108
y = 10.39
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