Answer:
Step-by-step explanation:
- Circumference of a circle: 2πr
- Area of a circle: πr²
- π = 3.14
- r (radius) = d/2
1. Circumference: 2(3.14)(4.2) = 26.38 in.
Area: πr² = 3.14(4.2)² = 55.39 in.²
2. Circumference: 2(3.14)(1) = 6.28 m.
Area: πr² = 3.14(1)² = 3.14 m.²
Hope this helps!
