Point, Lines, Planes and Solids

Q.

Why do we need a divider to compare the lengths of line segments, when we can use the ruler for the same purpose?

1. As ruler is not always available.

2. Ruler may not give exact reading.

3. Ruler does not have two ends.

4. Insufficient data.

Q.

A divider is similar to a compass but it has a pair of pointed ends. State if the statement is True/False

1. True
2. False

Q.

Find the numerical value of (c - a) + (d - b).

1. 80°

2. 110°

3. 90°

4. 100°

Q. What is staggered ends?

Q. Anshul took a paper and put down his pencil on it. But as soon as he put the pencil on the paper, he was called for some work. The pencil left a small mark on the paper which looked like the figure shown below. What is that mark usually called?

1. Line segment
2. Point or Dot
3. Line
4. Angle

Q.

Using a sharp tip of the pencil, mark a dot on the paper. This dot is called a __.

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. 15

2. 24

3. 10

4. 16

Q. Line segments have _____ definite end(s).

1. one
2. no
3. two
4. three