Symit Symit
  • 02-12-2020
  • Mathematics
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What is the value of x?

What is the value of x class=

Respuesta :

dialmudu dialmudu
  • 02-12-2020

Answer:

5

Step-by-step explanation:

Use the Pythagorean Theorem

a²+b²=c² plug in the info you have

a²+12²=13² (c is always the side opposite from the right angle)

Solve for a

a²+144=169

   -144  -144

a²=25   take the square root of both sides

√a²=√25

a=5

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