Introduction to Lines and Angles

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

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

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. 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.

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.

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. 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