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Angle between Two Lines

If tow lines ...

Question

If tow lines are parallel then the gradient of these lines will be : ( $l_{1}$ and $l_{2}$ are two lines)

A

Equal

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B

Unequal

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C

l_{1} > l_{2}

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D

l_{2} > l_{1}

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Solution

The correct option is A Equal
If two lines are parallel, the gradient say $m_{1}$ and $m_{2}$ should be $m_{1} = m_{2}$

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Similar questions

L_{1}

L_{2}

are two lines. If the reflection of

L_{1}

L_{2}

and the reflection of

L_{2}

L_{1}

coincide, then the angle between the line is

L_{1}

L_{2}

are two intersecting lines.
If the image of

L_{1}

L_{2}

L_{2}

L_{1}

coincide, then angle between

L_{1}

L_{2}

L_{1}

L_{2}

be two intersecting lines. lf the image of

L_{1}

L_{2}

L_{2}

L_{1}

concides, then the angle between

L_{1}

L_{2}

(l_{1}, m_{1}, n_{1})

(l_{2}, m_{2}, n_{2})

are d.c's two lines. Then
The lines are parallel is

\frac{l_{1}}{l_{2}} = \frac{m_{1}}{m_{2}} = \frac{n_{1}}{n_{2}}

Q. Consider the following statements relating to 3 lines

L_{1}

L_{2}

L_{3}

in the same plane
(1). If

L_{2}

L_{3}

are both parallel to

L_{1}

, then they are parallel to each other.
(2). If

L_{2}

L_{3}

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(3). If the acute angle between

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is equal to to acute angle between

L_{1}

L_{3}

L_{2}

L_{3}

.

Of these statements:

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