SOLUTION: find the obtuse angle between the two lines having m1=7 and m2=-3 for slopes?
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Question 523250: find the obtuse angle between the two lines having m1=7 and m2=-3 for slopes?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
find the obtuse angle between the two lines having m1=7 and m2=-3 for slopes?
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The slope is the tangent of the angle between the line and the x-axis.
Arctan(7) =~ 81.87 degs
Arctan(-3) =~ 71.57 degs
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The obtuse angle = 81.87 + 71.57 = 153.4 degs
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