Introduction to Lines and Angles

Q. Two lines are said to be parallel in a plane if they do not intersect if extended till infinite in both the directions.

1. True
2. False

Q.

In the given figure, AOB is a straight line and the ray OC and OD stand on it.

Q.

______ is a vertical line in a table.

1. Header

2. Column

3. Data

4. Row

Q. A portion of a line which starts at a point and goes to infinity is called a .

1. ray
2. curve
3. line segment
4. point

Q. Name the shape formed when two rays share a common starting point.

1. Line Segment
2. Angle
3. Triangle
4. Transversal

Q.

The line shown in the figure divides the figure into two equal halves. How many such lines are possible?

1. 2

2. 4

3. Can’t say

4. Infinite

Q.

The sum of the lengths of line segment AB and line segment BC make the length of line segment AC in figure alongside.

1. True

2. False

Q. The adjoining figure represents ________.

1. a ray
2. a point
3. a line
4. a line segment

Q.

Find the number of line segments in the following figure.

1. 4

2. 6

3. 8

4. 5

Q. A 18 cm line is cut into three equal parts by 4 parallel lines. Find the length of each part.

1. 6 cm
2. 7 cm
3. 8 cm
4. 4.5 cm

Q.

Satyam has drawn his house on a paper as shown. Find the number of line segments used to draw the house.

1. 16

2. 24

3. 10

4. 15

Q.

How many end points does a ray have?

1. Zero

2. Two

3. More than two

4. One

Q. If the complement of an angle is ${63}^{\circ }$ then the angle will be of __.

1. ${27}^{\circ }$
2. ${23}^{\circ }$
3. ${117}^{\circ }$
4. ${63}^{\circ }$

Q. Number of lines that can pass through a given point is ____.

1. one
2. three
3. infinite
4. two

Q. Two lines on a plane can ________.

1. intersect each other
2. be parallel to each other
3. neither intersect nor be parallel to each other.
4. none of the above

Q.

Rahul noticed that there was a borderline in each of the photos as shown (Fig 1), and then he folded the photo at the center of the photo (Fig 2). The two parts are:

1. Parallel

2. Having equal length

3. Not parallel

4. Having unequal length

Q. Which of the following is/are properties of a ray?

1. Straight path which can be extended indefinitely only in one direction.
2. It has fixed length.
3. It has two endpoints called the initial point and the final point.
4. Infinite points lie on the ray.

Q.

Tom feels hungry after watching the cricket match, so he goes to the kitchen where he finds many boxes arranged in order extended towards right and left from the middle of kitchen cabin. How are the boxes arranged?

1. Curve
2. Square
3. Straight line
4. Circle

Q. A portion of a line which starts at a point and goes to infinity is called a .

1. ray
2. curve
3. line segment
4. point

Q. The following figure represents ________.

1. a line
2. a line segment
3. a ray
4. a point

Q. Which of the following is correct for a ray?

1. Straight path which can be extended indefinitely only in one direction.
2. It has fixed length.
3. It has two endpoints called the initial point and the final point.
4. Infinite points lie on the ray.

Q.

He extends from that point and draws a line. Before finishing the shape, he states that since the line was extended from the point, the line had no dimension too.

Is his statement true?

1. True

2. False

Q.

The arms of $\angle \mathrm{ABC}$ are:

1. $\mathrm{AB}\mathrm{and}\mathrm{BC}$

2. $\mathrm{BA}\mathrm{and}\mathrm{BC}$

3. $\mathrm{CB}\mathrm{and}\mathrm{BA}$

4. $\mathrm{AC}\mathrm{and}\mathrm{AB}$

Q.

A line that starts at one point and extends indefinitely in one direction is called a ___.

1. ray

2. line segment

3. chord

4. radius

Q. Number of lines that can pass through a given point is ____.

1. one
2. two
3. three
4. infinite

Q. The common end point where two rays meet to form an angle is called:

1. Vertex
2. Segment
3. Arm
4. Ray

Q.

Ram decided to count the number of line segments in his name. He wrote his name as shown below. ___ is the total number of line segments in his name.

1. 12