Question

Use the Pythagorean theorem to find the length of x on the triangle below.



Select the best answer from the choices provided.
x = 2
x = 6
x = 8
x = 9

Answer 1

the prthogorian theorem states that a^2+b^2=c^2 where a and b are cathets and c is the hypotenuse

substitute: x^2+12^2=15^2
solve

Answer 2

9

Answer 3

x=9 ?

Answer 4

so x^2=225-144=81

you are correct

Answer 5

yeah x^2=81
thus x=9

correct

Answer 6

Thanks :)