The slope of a line parallel to y-axis is
(a) 0
(b) 1
(c) -1
(d) not defined
Solution:
The slope of a line which makes an angle of 30° with the positive direction of x-axis is
(a) 1
(b) 
(c) √3
(d) 
Solution:
More Solutions:
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- Find the lengths of the remaining sides of the triangles.