Respuesta :

Answer:

9.5 cm

Step-by-step explanation:

on the bottom with 18, divide that like 3 12 3 (which is 18) and it will make a square in the middle.

10^2 = x^2+3^2

100= x^2+9

x^2=91

square root 91

=9.5 cm

Answer:

9.5 cm

Step-by-step explanation:

18 - 12 = 6

6/2 = 3

If we apply the Pythagorean theorem in the right triangle ABC :

AB = ?

AC = 3

BC = 10

We get :

[tex]AB=\sqrt{BC^{2}-AC^{2}}[/tex]

      [tex]=\sqrt{10^2-3^2}[/tex]

      [tex]=\sqrt{100-9}[/tex]

      [tex]=\sqrt{91}[/tex]

      [tex]=9.539392014169...[/tex]

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