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January 28, 2015

January 28, 2015

Posted by **Mikal** on Wednesday, March 26, 2008 at 7:09am.

Ive got 59.4 degrees. Any confirmation/slight alteration?

- Maths (coordinate geometry) -
**Reiny**, Wednesday, March 26, 2008 at 8:30amare you using the formula found here

http://planetmath.org/encyclopedia/AngleBetweenTwoLines.html ?

then the two slopes are 1.5 and -2

and tanß = │(-2-1.5)/(1+(-2)(1.5))│

tanß = 1.75

ß = 60.26º

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