Question

In a 45 degree-45 degree right triangle, the length of a hypotenuse is 22 ft. How long is a leg of the triangle?

Answer 1

Since it is a 45-45-90 triangle the other two sides are equal hence
from Pythagorean theorem we have that

`l^2+l^2=(22)^2=>2l^2=22^2=>l=22/sqrt2`