SOLUTION: what acute angle does a line of a slope -3/2 make with a vertical line?

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Question 1121877: what acute angle does a line of a slope -3/2 make with a vertical line?
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


Draw a picture.... here is an example.

graph%28400%2C400%2C-1%2C4%2C-1%2C4%2C-%283%2F2%29x%2B3%29

The acute angle has a tangent of 2/3, so the measure of the angle is arctan(2/3), which is about 33.69 degrees.