brycewidman brycewidman
  • 25-07-2019
  • Mathematics
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Find a if b=5 and c=8cm

Find a if b5 and c8cm class=
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musiclover10045
musiclover10045 musiclover10045
  • 25-07-2019

Using the Pythagorean theorem:

a = √(c^2 - b^2)

a = √(8^2 - 5^2)

a = √(64 - 25)

a = √39 ( Exact answer )

Or √39 =  6.244997 as a decimal and you round the decimal answer as needed.

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