Answer:
17.3 =x
Step-by-step explanation:
The Pythagorean theorem is
a^2 +b^2 = c^2 where a and b are the legs and c is the hypotenuse
3^2 +17^2 = x^2
9+289 = x^2
298 = x^2
Take the square root of each side
sqrt(298) = sqrt(x^2)
17.2626765 = x
Rounding to the nearest tenth
17.3 =x
