Question

could someone give me a formula to find an arc?

Answer 1

need more information...arc length? angle of an arc?

Answer 2

arc length

Answer 3

usually that is radius times central angle theta

Answer 4

\[s = r \theta\]

Answer 5

how do i know what theta is?

Answer 6

well, that depends on the problem. an arc is part of a circle, and each end of the arc is connected to the center of the circle by a radius.

the angle between the two radii is theta

Lots of ways to find theta, depending on what information you've been given