Re: Measuring Hill Gradients Mathematically

Long, Steve

2007-03-12

http://en.wikipedia.org/wiki/Hypotenuse

-----Original Message-----
From: obra-bounces@list.obra.org [mailto:obra-bounces@list.obra.org] On
Behalf Of Curt Dewees
Sent: Monday, March 12, 2007 9:47 AM
To: LAURA SANTOS
Cc: obra@list.obra.org; Marc R
Subject: Re: [OBRA Chat] Measuring Hill Gradients Mathematically

It's been too long since high-school algebra for me to remember what a
hypotenuse is, but Joe C.'s formula is correct.

Remember:gradient is not the same as angle.

For example: A 100% rise (rising 100 feet for every 100 feet in
distance) would be seen as a 45-degree angle when viewing the profile of
the hill from the side.
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