montestania579 montestania579
  • 04-01-2021
  • Mathematics
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Hamster01100
Hamster01100 Hamster01100
  • 04-01-2021

Answer:

30

Step-by-step explanation:

Using the pythagorean theorem a^2+b^2=c^2

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allspamlogin allspamlogin
  • 04-01-2021

Answer:

30

78^2 = 72^2 + x^2 pythagoras theorem

x^2 = 900

x= 30

Answer Link

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