# algebra

posted by .

Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.

• algebra -

C = pi * d

220 = 3.14d
220/3.14 = d
70.06 = d

A = pi * r^2
A = 3.14 * 35.03^2

A = ?

## Similar Questions

1. ### math

I'm asked to find the circumference of a circle to the nearest tenth and the area of the same circle to the nearest hundredth. The circle has a diameter of 30 and a radius of 15. I got a circumference of 94.2 and an area of 188.48cm2 …
2. ### math

if the circumference of a circle is 16 meters,what is the approximate area of the circle

circle A has a raduis that is twice the length og the raduis of circle B. Which is an accurate statement about the relationship of these areas of circle A and B and y?
4. ### Math, Algebra

Circle O has a circumference of 220 meters. What is the approximate area of circle O?
5. ### math, HELP ME PLEASE!!!

Circle O has a circumference of 220 meters. What is the approximate area of circle O?
6. ### math, HELP ME PLEASE!!!

Circle O has a circumference of 220 meters. What is the approximate area of circle O?
7. ### Math

What is the approximate circumference of a circle with a radius of 6 centimeters?
8. ### Calculus (check my work)

The measurement of the circumference of a circle is found to be 64 centimeters, with a possible error of 0.9 centimeter. Approximate the percent error in computing the area of the circle. MY ANSWER 8.83%
9. ### Math

If the circumference of a circle is 16 meters what is the approximate area of the circle?
10. ### Math

What is the circumference of the circle round to the nearest tenth and show all work and the area of the circle is 9.5m

More Similar Questions