Answer:
x = [tex]\sqrt{495}[/tex] ≈ 22.25
Step-by-step explanation:
a² + b² = c² The hypothenuse is 24 (side opposite the 90°) is c
9² + x² = 24²
81 + x² = 576
x² = 576 - 81
x² = 495
x = [tex]\sqrt{495}[/tex]; x ≈ 22.25
