Answer:
B
Step-by-step explanation:
Use the pythagorean theorem
a² + b² = c²
a² + 63² = 65²
a² + 3969 = 4225
a² = 256
a = 16
x = 16 meters
What are you supposed to be doing
Your answer would be 600. all u have to do is multiply the degree rotation to the radius.
hope this has helped.