1D and 2D Figures

Q. Which of the following has a starting point but no ending point?

1. Line
2. Line Segment
3. Ray
4. None of the above

Q. Which of the following is zero dimensional?

1. Line
2. Point
3. Plane
4. Solid

Q.

If you join all the diagonals of a rectangle, how many pairs of congruent triangles will you get?

Q. Polygon is a closed shape which has only line segments in it.

1. True
2. False

Q.

A polygon is a two dimensional closed figure formed by straight lines.

1. True

2. False

Q. How many triangles can be seen in this figure?

1. 5
2. 6
3. 7
4. 3

Q. Which are the different types of triangles?

1. Scalene
2. Obtuse
3. Zero
4. Acute

Q. The solid, which has following net diagram, is:

1. Cuboid
2. Prism
3. Cone
4. Pyramid

Q. Find the number of corners in the given shape.

1. 6
2. 10
3. 12
4. 13

Q.

To make the net of a cube, we need ………. shapes.

Q.

Can we say that there exists only one triangle with a particular set of sides? What are such triangles known as? [2 MARKS]

Q.

The number of common points in the two angles marked in the given fig. is ___

1. 3

2. 2

3. 4

4. 1

Q.
What type of symbol is missing in the given flowchart and what kind of flowchart is given?

1. Input/output, non-conditional
2. Decision, non-conditional
3. Input/output, conditional
4. Decision, conditional

Q.

A Straight line has a finite length.

1. True
2. False

Q.

In the figure given below, points A, B, C respectively lie ___, ___and_____the curve.

1. inside, inside, outside

2. outside, inside, on

3. on, inside, outside

4. inside, inside, inside

Q.

Tom returns home and plans to watch cricket match, but the match is yet to start. He observes two stumpsplaced at certain distance and asks his father what is a line connecting two ends called?

1. Line
2. Point
3. Curve
4. Line Segment

Q. Which of the following can be drawn on a piece of paper?
(a) A line
(b) A line segment
(c) A ray
(d) A plane

Q. Polygon is a closed shape which has only line segments in it.

1. True
2. False

Q. Which of the following is the front view of the given figure?

1. 
2. 
3. 
4. 

Q.

Select all that are two-dimensional objects.

1. Cube

2. Rectangle

3. Triangle

4. Cone

Q.

How many right angles can you count in a cubical room? [3 MARKS]

Q. How many triangles can be seen in this figure?

1. 3
2. 5
3. 6
4. 7

Q. State the correspondence between the vertices, sides and angles of the following pairs of congruent triangles.

(i) ∆ABC ≅ ∆EFD
(ii) ∆CAB ≅ ∆QRP
(iii) ∆XZY ≅ ∆QPR
(iv) ∆MPN ≅ ∆SQR

Q. A point has ___ dimension(s).

Q.

A polygon is a two dimensional closed figure formed by straight lines.

1. True

2. False

Q. Square is a regular polygon.

1. False
2. True

Q. A line has .

1. one dimension
2. two dimensions
3. three dimensions

Q. The correspondence between the vertices of ∆STD and ∆FAX is S ↔ A, T ↔ F and D ↔ X.
Write the correspondence between their vertices in a single statement.

Q. Which of the following is/are the characteristics of a sheet of paper?

1. It is a liquid
2. It occupies an area
3. It is very thick
4. It has volume

Q. Find the number of corners in the given shape.

1. 6
2. 10
3. 12
4. 13