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05-05-2016
Mathematics

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The measure of the acute angle between the line passing through (0,2) , (-2,0) and the line whose equation is Y=0 equals

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Edufirst Edufirst

13-05-2016

slope of the line, m:

[tex]m= \frac{rise}{run} = \frac{2-0}{0-(-2)} = \frac{2}{2} =1[/tex]

Angle with the horizontal line (y =0)

tan (angle) = 1

angle = arctan(1) = 45°.

That is the angle requested: 45°

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