hector8391 hector8391
  • 21-05-2021
  • Mathematics
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rylencrenshaw70 rylencrenshaw70
  • 21-05-2021

Answer: 5

Step-by-step explanation:

a^2 + b^2 = c^2

12^2 + x^2 = 13^2

144 + x^2 = 169

x^2 = 25

square root both sides

x = 5

to check, do 12^2 + 5^2 =169

sqrt of 169 is 13

hope this helps

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