Answer:
216.90 units
Step-by-step explanation:
Using Pythagoras Theorem:
a² + b² = c²
9² + 10² = 81 + 100 =181 = c²
c = √181 = 13.45
x² + y² = z²
6² + 13.45² = 36 + 180.9025 = 216.9025
= 216.90 units
