doratheexploer627
doratheexploer627 doratheexploer627
  • 18-11-2021
  • Mathematics
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Please help me please with number 1 part a and b.

Please help me please with number 1 part a and b class=

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Younes69
Younes69 Younes69
  • 18-11-2021

Answer:

a) 39^2 = x^2 + 15^2

39^2 - 15^2 = x^2

root (39^2 - 15^2) = x

x times 2 is your answer.

b) (120 x 68) / 2 = 4080

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