The diameter of a circle is 8 cm what is its area?

asked Feb 7, 2022 138k views

3 votes

4.7k points

Please log in or register to add a comment.

2 votes

A = πr^2 and d = 2r.

So r = 8/2 = 4 cm.

Now use the first formula

A = π(4 cm)^2 = 50.265 cm^2

Wolfgang answered Feb 13, 2022

5.0k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.9m questions

7.7m answers