Respuesta :

Answer:

c=13

Step-by-step explanation:

pythagoras theorem

a^2+b^2=c^2

12^2+5^2=x^2

169=x^2

x=13

This is one of the few combination of triangle you should really memorize.

Answer:

x = 13 in

Step-by-step explanation:

We can tell this is another right angled triangle due to the right angle symbol, meaning to find x we can use Pythagoras theory:

[tex]a^2 + b^2 = c^2[/tex]

As we have both sides, we can calculate x by plugging the values in:

[tex]12^2 + 5^2 = x^2[/tex]

144 + 25 = [tex]x^2[/tex]

169 = x²

Square root both sides to find x:

[tex]\sqrt{169} = \sqrt{x^2}[/tex]

x = 13

Hope this helps!

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