Area = pi * r² ; and Circumference = pi * 2 * r. So Area = pi * 10 = pi * r². Divide both sides by pi:
Chat with our AI personalities
The circumference of circle whose diameter is 10 is: 31.42 (diameter x Pi = circumference).
The area of a circle when the circumference is 10 inches is: 7.96 square inches.
This circle's area would be 78.54 units squared.
The area of a circle whose diameter is 10 cm is: 78.54 cm2
Circumference = (pi) x (diameter) = 10 pi = 31.416 yards (rounded)