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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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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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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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A good teacher,..... you will definately pass if you do hardwork

no it is false
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Tutor

true
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Trainer

True
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True . The two lines are parallel to each other and hence are proportional.
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Home and Private Tution

true
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Tutor

True. Assuming all lines are lying in the same plane, The 1st 2 lines need to be parallel to each other if they are perpendicular to the same line. Direction ratios of two parallel lines are proportional.
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If the lines are in the same plane, the two lines are perpendicular to the same line . Therefore they should be parallal to each other. So the directions are proportional
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