Circumference 40401

Calculate the diameter of a circle whose area in cm2 and the circumference in cm are expressed by the same number.

Correct answer:

D =  4 cm

Step-by-step explanation:

S=o πr2=2 πr πr=2 π  r=2  D=2 r=2 2=4=4 cm   Verifying Solution:  o=2π r=2 3.1416 212.5664 cm S=π r2=3.1416 2212.5664 cm2  S=o

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: