In the x-y plane, the straight lines L1 and L2 cut the x-axis at point A and point C respectively. If B is the point of intersection of L1 and L2, Is

In the x-y plane, the straight lines L1 and L2 cut the x-axis at point A and point C respectively. If B is the point of intersection of L1 and L2, Is the slope of AB positive?

(1) The angle which the line BC makes with the positive direction of x-axis is greater than         60 degrees and less than 90 degrees.

(2) Angle CBA = 40 degree.

 

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Answer E

Default Answered on July 12, 2019.
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