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Topic: Trying to find perimeter of a regular pentagon
Replies: 36   Last Post: May 31, 2013 9:26 PM

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Brian Q. Hutchings

Posts: 4,975
Registered: 12/6/04
Re: Trying to find perimeter of a regular pentagon
Posted: May 28, 2013 10:30 PM
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or, diaidians; circumference is pi D diadians;
area of sphere is pi DD diadians; so,
it is actually two things, not really dimensionless.

> I might guess radians appeared very close to the time
> of Euler... (yet, maybe already calculus uses
> radian measure preferably, to get d/dx sin(x) = cos(x). )



Date Subject Author
5/28/13
Read Trying to find perimeter of a regular pentagon
130bcd
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
Barry Schwarz
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
Ken.Pledger@vuw.ac.nz
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
Ken.Pledger@vuw.ac.nz
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
David Bernier
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
Brian Q. Hutchings
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/30/13
Read Re: Trying to find perimeter of a regular pentagon
RGVickson@shaw.ca
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
Brian Q. Hutchings
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/31/13
Read Re: Trying to find perimeter of a regular pentagon
Brian Q. Hutchings
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
Brian Q. Hutchings
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
Brian Q. Hutchings
5/28/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/29/13
Read Re: Trying to find perimeter of a regular pentagon
Richard Tobin
5/29/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/29/13
Read Re: Trying to find perimeter of a regular pentagon
Richard Tobin
5/29/13
Read Re: Trying to find perimeter of a regular pentagon
Brian Q. Hutchings
5/29/13
Read Re: Trying to find perimeter of a regular pentagon
JT
5/29/13
Read Re: Trying to find perimeter of a regular pentagon
Brian Q. Hutchings
5/30/13
Read Re: Trying to find perimeter of a regular pentagon
Graham Cooper
5/30/13
Read Re: Trying to find perimeter of a regular pentagon
RGVickson@shaw.ca

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