Answer:
Option C.

Explanation:
The complete question is
The diameter of Jim’s circular flower bed is 10 feet. What is the area, in square feet, of Jim’s flower bed?
A) 10π
B) 20π
C) 25π
D) 100π
we know that
The area of a circle (Jim's circular flower bed) is equal to

where
r is the radius of the circle
we have
----> the radius is half the diameter
substitute

