Posted by **Chris** on Monday, March 8, 2010 at 10:11pm.

a circular track runs around a park. there is a sidewalk that connects two points on the track that runs through the center of the park. the sidewalk is 100 ft. long. How long is the track to the nearest half foot?

- Math -
**Ms. Sue**, Monday, March 8, 2010 at 10:19pm
The sidewalk is the diameter of the track.

Use the formula for the circumference of a circle:

C = pi * d

C = 3.14 * 100

C = ?

- Math -
**Reiny**, Monday, March 8, 2010 at 10:19pm
mmmh, isn't the sidewalk a diameter of the circle?

And isn't the the perimeter of a circle

pi(diameter) ?

## Answer this Question

## Related Questions

- Physics - Two children who are bored while waiting for their flight at the ...
- Math - A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally ...
- Physics - A runner runs around a circular track with a radius of 50m.if he runs ...
- Math - Lee is running around the perimeter of a circular track at a rate of 10 ...
- Math - kerry runs 3 times around the track, five days a week. the track is 1/4 ...
- Calculus - A jogger runs around a circular track of radius 65 ft. Let (x,y) be ...
- physics - A car starts from rest and travels along a circular track with a ...
- Physics - A car starts from rest and travels along a circular track with a ...
- Physics - An athlete springs a circular 400.0 m track in 50.0 s. Asume he runs a...
- Math - Cody has a circular fish pond with a diameter of 6.4 feet around which he...