Line

Q.

What is Coplanar Lines ?

Q.

A ray has only two endpoints.

1. True

2. False

Q.

A plane has length and width, and thickness.

1. True

2. False

Q.

Which of the following has no end points

1. A ray

2. A line segment

3. A line

4. None of these

Q.

Three or more lines which pass through the same point are called……..lines

Q.

Which of the following has two end points.

1. Line segment

2. Ray

3. Line

4. All the above

Q.

A ray has a definite length.

1. True

2. False

Q.

A line has no end point.

1. True
2. False

Q.

Question 5: Illustrate the following, if possible, with a rough diagram:
An open curve made up entirely of line segments.

Q.

In the above figure find interior point, exterior point and boundary point.

Q.

A line contains an infinite number of points.

1. False

2. True

Q.

Three or more points in a plane are said to be ___________ if they are on the same line.

1. collinear

2. non collinear

3. linear

4. concurrent

Q.

A line has _____ end point.

Q. If three or more lines pass through the same point , the point is called ____________ .

1. Collinear points
2. Non-collinear points
3. the point of Concurrence
4. Origin

Q. If three or more straight lines (in the same plane) pass through the same point, then the lines are called _____.

1. collinear lines
2. concurrent lines
3. straight lines
4. co-planar lines

Q.

A point where three or more lines meet is called :

1. non-collinear point

2. point of con-currence

3. meeting point

4. collinear point

Q.

Describe the line of intersection of planes.

Q. Which of the following are examples of concurrent lines?

1. 
2. 
3. 
4. 

Q.

A ray has definite length .

1. True
2. False

Q.

Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four given.

Q. Write down all properties of a line.

Q.

…….. number of points lie on a line segment.

Q.

A ray has no definite length.

1. True
2. False

Q. Fill in the blank.
Any given line segment has only one _____________.

1. parallel line
2. intersecting line
3. perpendicularly bisecting line
4. parallel, intersecting, perpendicularly bisecting line .

Q. A line is a set of points which is extended in directions infinitely.

Q.

The interior of a curve together with its boundary is called its ____.

1. vertex

2. plane

3. region

4. curve

Q. Examples of line are -

1. Rail way tracks
2. Thread
3. Ball
4. A straight road

Q. _____ is a straight path that goes on endlessly in both directions.

1. Line segment
2. Line
3. Ray
4. Circle

Q. What is a line-segment? What is a ray? How many line segments can be made out of the following line?


[3 MARKS]

Q.

Tom feels hungry after watching the cricket match, so he goes into 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