find the angle between the straight line – InterviewSolution

1.	find the angle between the straight line
Answer» ii) Theangle betweentwo intersectingstraight linesmeans the measure of the acuteangle betweenthelines. (iii) The formula tan θ = ± m2−m11+m1m2 cannot be used tofind the angle betweenthelinesAB and CD, if AB or CD is parallel to y-axis. Since the slope of thelineparallel to y-axis is indeterminate.

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