What is the area of a circle if the diameter is 9cm? Round to the nearest hundredth (0.01cm2)

asked Jul 14, 2022 166k views

1 vote

What is the area of a circle if the diameter is 9cm?
Round to the nearest hundredth (0.01cm2)

3.6k points

Please log in or register to add a comment.

1 vote

Answer:

To find the area of a circle we have
$\pir^(2)$ and the radius is half of the diameter so we have 4.5² which gives 16.25π

Perigee answered Jul 17, 2022

4.0k points

2 votes

Answer: A≈63.62

Explanation:

9/2= 4.5

A=πr2=π·4.52≈63.61725

Tikkes answered Jul 18, 2022

4.2k points

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

4.4m questions

5.6m answers