Question

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



Select the best answer from the choices provided.
x = 4
x = 2
x = 3
x = 6

Answer 1

It's well known right triangle, 3-4-5, google.

Answer 2

use the Pythagorean theorem to find length of 3rd side \[\large\rm a^2+b^2=c^2\]
where c = hypotenuse( longest side of right triangle )

Answer 3

plug in numbers to solve for x