Answer:
14.42
Step-by-step explanation:
The Pythagorean theorem tells you the sum of squares of side length is the square of the length of the hypotenuse:
9² +x² = 17²
x² = 289 -81 = 208
x = √208 ≈ 14.4222
Rounded to hundredths, the side length x is ...
x ≈ 14.42
