Answer:
C = 78.54
A = 490.87
Step-by-step explanation:
1. Circumference Formula
C = 2πr (r=d/2=12.5)
C = 2π12.5
C ≈ 78.54
In terms of pi:
25π
2. Area of circle
A = πr^2
A = π12.5^2
A ≈ 490.87
In terms of pi
156.25π or 625π/4
