Question

1. What is the circumference of a circle that has a radius of 10 centimeters? (Use 3.14 for π). C=____ cm

2.What is the circumference of a circle that has a diameter of 25 yards? (Use 3.14 for
π.) C=___ yd

3.What is the radius of a circle that has a circumference of 81.64 meters? (Use 3.14 for
π). r=____ m

4.
What is the diameter of a circle that has a circumference of 56.52 feet? (Use 3.14 for
π.) d=____ ft

Answer 1

Hi,

The correct answers should be 62.8, 78.5, 13, and 18.

• 1. What is the circumference of a circle that has a radius of 10 centimeters? (Use 3.14 for π ). C = 62.8 cm
• 2. What is the circumference of a circle that has a diameter of 25 yards? (Use 3.14 for π.) C= 78.5 yd
• 3. What is the radius of a circle that has a circumference of 81.64 meters? (Use 3.14 for π). r= 13 m
• 4. What is the diameter of a circle that has a circumference of 56.52 feet? (Use 3.14 for π.) d= 18 ft

I hope that this helped you. :)

Answer 2

1. 62.8 cm

2. 78.5

3. 13

4. 18

Explanation:

d = r * 2

c = Pi * d