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Q: radius of a circle ( Answered 5 out of 5 stars,   0 Comments )
Subject: radius of a circle
Category: Science > Math
Asked by: blisstout-ga
List Price: $5.00
Posted: 08 Feb 2006 09:35 PST
Expires: 10 Mar 2006 09:35 PST
Question ID: 443143
how do you find the radius of a circle with a given chord length of
30' and a segment height of 2'?

Definition: The chord length is the distance between two points on the
circle(A-B) and the segment height is measured from the midpoint of
chord AB perpendicular to the nearest point on the circle

Subject: Re: radius of a circle
Answered By: redhoss-ga on 08 Feb 2006 11:15 PST
Rated:5 out of 5 stars
Hello blisstout, I found the formula you need in my "Machinery's Handbook".

r = (c^2 + 4h^2) / 8h

For your problem:
h = 2'
c = 30'

r = (900 + 16) / 16 = 57.25'

Ask for a clarification if this is not what you wanted.


Request for Answer Clarification by blisstout-ga on 08 Feb 2006 12:21 PST
thanks! Just what I needed.

Clarification of Answer by redhoss-ga on 08 Feb 2006 12:29 PST
You are most welcome.
blisstout-ga rated this answer:5 out of 5 stars and gave an additional tip of: $1.00
Thanks!  Any luck with my other question regarding steel spans?

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