The statement is true or false , answer with explanation. If two lines are perpendicular to a third line, then the direction ratios of the two lines are proportional.

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i believe in authantic teaching. basic concepts of a child makes the subject easy and intresting. i am working on this feild for last ten years and got very good results children who dare with maths get intrest in it and perform excelent in their exams maths become fun for them

First of all this ques. is wrongly asked. If two lines are perpendicular to third line, the may be perpendicular to each other(in 3D plane) or parallal to each other(in 2D plane). When they are perpendicular to each other, a1a2+b1b2+c1c2 = 0. When the lines are parallal to each other, then a1/a2=b1/b2=c1/c2...
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First of all this ques. is wrongly asked. If two lines are perpendicular to third line, the may be perpendicular to each other(in 3D plane) or parallal to each other(in 2D plane). When they are perpendicular to each other, a1a2+b1b2+c1c2 = 0. When the lines are parallal to each other, then a1/a2=b1/b2=c1/c2 ( the case you are talking about, they are proportional to each other.) read less
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"Read , Recall and Procure"

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Teacher

True - If two lines m,n are perpendicular to third line t, then lines m and n has to be parallel to each other. Now, if direction ratio of line m is a1/b1 and direction ratio of line n is a2/b2 in 3D, since m and n are parallel then a1/b1 : a2/b2
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Genuine artist in teaching mathematics in a very very simple yet exciting way

true as the lines are parallel so their corresponding angles as well as direction ratios are proportional
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A good teacher,..... you will definately pass if you do hardwork

no it is false
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Home and Private Tution

true
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true
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PCM Expert

False you can assume it three lines through X axis ,Y axis and Z axis . you can get your answer now :)
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True . The two lines are parallel to each other and hence are proportional.
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i'm a computer science &engineer................ i;m good in maths subject.and i'm maths toper of srm university........and i will be agood trainer

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