Home |
Search |
Today's Posts |
#1
|
|||
|
|||
find radius from chord length
How do I find the radius of a circle knowing the the length of a chord? Is there additional info needed to calculate the radius? Thanx. Kim -- kimtp ------------------------------------------------------------------------ kimtp's Profile: http://www.excelforum.com/member.php...o&userid=23930 View this thread: http://www.excelforum.com/showthread...hreadid=375623 |
#2
|
|||
|
|||
Kim,
You also need to know theta, the central angle that the chord subtends. All you can say about the radius without theta is that it is greater than or equal to the length of the chord/2. HTH, Bernie MS Excel MVP "kimtp" wrote in message ... How do I find the radius of a circle knowing the the length of a chord? Is there additional info needed to calculate the radius? Thanx. Kim -- kimtp ------------------------------------------------------------------------ kimtp's Profile: http://www.excelforum.com/member.php...o&userid=23930 View this thread: http://www.excelforum.com/showthread...hreadid=375623 |
#3
|
|||
|
|||
if i have the length of the chord and the distance from the chord to the arc, can i do something like (c^2 + 4*h^2)/8*h where c= chord length h= distance between chord and arc -- kimtp ------------------------------------------------------------------------ kimtp's Profile: http://www.excelforum.com/member.php...o&userid=23930 View this thread: http://www.excelforum.com/showthread...hreadid=375623 |
#4
|
|||
|
|||
Kim,
As long as the distance from the chord to the arc is along a radius and normal to the chord, yes, you have the correct formula. HTH, Bernie MS Excel MVP "kimtp" wrote in message ... if i have the length of the chord and the distance from the chord to the arc, can i do something like (c^2 + 4*h^2)/8*h where c= chord length h= distance between chord and arc -- kimtp ------------------------------------------------------------------------ kimtp's Profile: http://www.excelforum.com/member.php...o&userid=23930 View this thread: http://www.excelforum.com/showthread...hreadid=375623 |
#5
|
|||
|
|||
thanx for the help. -- kimtp ------------------------------------------------------------------------ kimtp's Profile: http://www.excelforum.com/member.php...o&userid=23930 View this thread: http://www.excelforum.com/showthread...hreadid=375623 |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
How do I find the cell address of the 2nd largest of a set? | Excel Discussion (Misc queries) | |||
Keep find box open while in spreadsheet | Excel Discussion (Misc queries) | |||
Using the Find tool in EXCEL | Excel Worksheet Functions | |||
Excel has a "Find Next" command but no "Find Previous" command. | Excel Discussion (Misc queries) | |||
VB Find and Replace | Excel Worksheet Functions |