Saturday

September 20, 2014

September 20, 2014

Posted by **daisy** on Tuesday, March 1, 2011 at 8:43pm.

Can you find the circumference of a circle if you know the radius? explain your answer

- math -
**Helper**, Tuesday, March 1, 2011 at 9:35pmCircumference, C = 2 pi r

or, C = pi d

C = 2 pi r

C = 2(3.24)(100)

C = 628 feet for one lap

5280 * 2 miles = 10,560 feet

10560/628 = ? = laps in 2 mile

**Answer this Question**

**Related Questions**

math - a race track is a mile around circle which equals 5,280 circumference. To...

Algebra - 1) A corner lot that originally was square lost 185m^2 of area when ...

Math - Two cars run at constant speeds around a one-mile racetrack. If the cars ...

Algebra - The Circumference and area of a circle of radius r are givin by 2 [pie...

college algebra - The diameter of the Earth is approximately 7,920 miles. Given ...

Math - A gardener is installing a circular garden. The radius of the circle 28 ...

Geometry - A gardener is installing a circular garden. The radius of the circle ...

Math - Mack needs to buy fencing to surround his circular garden. If his garden ...

Math - I skakeboard 5 blocks west abd 8 miles north to get to my friend's house...

Math - The inside edge of a racing track is shaped like a circle with a diameter...