MCQ
If the angle between two lines is $180$ degree, then:
- ✓Lines are parallel to each other
- BLines are perpendicular to each other
- CLines are parallel as well as perpendicular
- DNone of these
✓
Answer
Correct option: A.
Lines are parallel to each other
If the angle between two lines is $180$ degree, then they are parallel to each other.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If $x^{-2}=64$, then $x^{1 / 3}+x^0=$
→Euclid stated that all right angles are equal to each other in the form of
Write the correct answer in the following:
$80$ bulbs are selected at random from a lot and their life time (in hrs) is recorded in the form of a frequency table given below:
One bulb is selected at random from the lot. The probability that its life is $1150$ hours, is:
→$80$ bulbs are selected at random from a lot and their life time (in hrs) is recorded in the form of a frequency table given below:
| Life time(in hours) |
$300$
|
$500$
|
$700$
|
$900$ | $1100$ |
|
Frequency
|
$10$ |
$12$
|
$23$
|
$25$ | $10$ |
If the base radius of a cone is doubled and its height is halved, then which of the following is true regarding its volume?
In which quadrant does the point $(-7, -4)$ lie?
→In the given figure, $O$ s the centre of circle, $\angle\text{BAO}=68^\circ$ $AC$ is diameter of circle, then measure of $\angle\text{BCO}$ is:
→In the given figure, if chords $AB$ and $CD$ of the circle intersect each other at right angles, then, $x + y =$ 
→In the following, write the correct answer. In $\triangle\text{ABC}$ and $\triangle\text{PQR},$ if $AB = AC,$ $\angle\text{C}=\angle\text{P}$ and $\angle\text{B}=\angle\text{Q}$ then the two triangles are:
→The linear equation $3x - 5y = 15$ has:
→The lengths of the sides of $\triangle\text{ABC}$ are consecutive integers. It $\triangle\text{ABC}$ has the same perimeter as an equilateral triangle with a side of length 9cm, what is the length of the shortest side of $\triangle\text{ABC}?$
→