Question

Which of the following are models for parallel lines, perpendicular lines and which are neither of them.
i) The vertical window bars
ii) Railway lines (track)
iii)The adjacent edges of door.
iv)The letter 'V' in English alphabet
v)The opposite edges of Black Board.

Answer 1

1 perpendicular
2 parallel
3 perpendicular
4 neither
5 parallel

Answer 2

Solution :

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We know that ,

Distance between any two

lines always fixed are called

parallel lines .

Or

If two lines doesn't have a

common point is called

parallel lines.

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Here ,

i ) The vertical window bars

- parallel lines

ii ) Railway track - parallel lines

iii ) The adjacent edges of a

door - not parallel lines

iv) The letter ' V ' in English

alphabet - not an example for

parallel lines

v )The opposite edges of

Black board - parallel lines

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