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January 27, 2015

January 27, 2015

Posted by **math help** on Tuesday, August 28, 2012 at 6:33am.

a) 30 degree

b) 45 degree

c) 60 degree

d) 135 degree

- Math -
**Reiny**, Tuesday, August 28, 2012 at 8:09amslope = (4-1)/(-2-1) = -1

If Ø is the angle that the line makes with the x-axis, then

tanØ = -1

Ø = 135°

(draw the line to verify)

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