lovedale Posts: 1, Reputation: 1 New Member #1 Aug 21, 2008, 04:29 AM
Converting Slope arc Length to Flat Arc Length
Hi,

Given parameters are:-

Slope arc length

Angle on Slope

Is there any way to calculate flat arc length?

Thanks!
 galactus Posts: 2,271, Reputation: 282 Ultra Member #2 Aug 21, 2008, 01:25 PM
What do you mean by 'flat' arc length? Were you meaning to list some data?

Arc length is given by $s=r{\theta}$.

Where r is the radius of the circle and ${\theta}$ is the central angle.

Where $\theta$ is in radians.

Of course, s is the arc length.

For instance, suppose you had a radius of 1000 feet and a central angle of $\frac{\pi}{6}$ radians (which is equal to 30 degrees).

Then, the arc length is $s=1000(\frac{\pi}{6})=\frac{500\pi}{3}=523.6 \;\ feet$

There is also a more complicated formula using calculus. I can give you that if you wish.

If this is not what you meant, please be more specific with an example.

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