Respuesta :

Answer:

5

Step-by-step explanation:

13^2=169

12^2=144

169-144=25

Root 25 is 5

fulla8901
A.) 5
use Pythagorean theorem: a^2+b^2=c^2
plug in the values
x^2+12^2=13^2
Move the 12^2 to the other side
x^2=13^2-12^2
x^2=25
Take the square root from both sides
x=5

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