Introduction to 2D and 3D Shapes

Q. A closed figure made by joining three non-collinear points is called

1. Rectangle

2. Triangle

3. Square

4. Hexagon

Q. is the amount of three dimensional space occupied by a solid object.

1. Point
2. Space
3. Area
4. Volume

Q.

Question 82
State whether the statement is True or False.
A cone is a polyhedron.

Q. If the each angle in a polygon is less than 180° than polygon is called ?
f

Q. Which of the following is a plane figure?

1. Cone
2. Cylinder
3. Sphere
4. Square

Q.

Question 78
State whether the statement is True or False.
A tetrahedron has 3 triangular faces and 1 rectangular face.

Q. A four sided polygon is called a .

1. quadrilateral
2. square
3. rectangle

Q. In regular polygon all sides are in length and all angles are equal in.

1. equal
2. length
3. measure
4. different

Q. Which one of the following is a 3D shape?

1. Triangle
2. Square
3. Cuboid
4. Rectangle

Q.

Which are prisms among the following:

Q. A 3 dimensional object has :

1. Length
2. Width
3. Height
4. None of the above.

Q. Identify the solid shapes

1. Sphere
2. Rectangle
3. Square
4. Cone

Q. Question 53

State whether the following statement is True or False.

Pyramids do not have a diagonal.

Q. Find the number of edges of the given solid.

1. 12
2. 13
3. 14
4. 15

Q.

Which of the following is not an example of 3D object?

1. Cone

2. Sphere

3. Cylinder

4. Circle

Q. Name the given figure.

1. Traingular pyramid
2. Triangular prism
3. Square pyramid
4. Triangle

Q.

Question 53
Fill in the blank to make the statement true
Cuboid is a rectangular ___

Q.

Question 11
Out of the following which is a 3-D figure?

a) Square

b) Sphere

c) Triangle

d) Circle

Q.

Statement I: Triangle is the first closed figure.

Statement II: Any figure which starts and ends in the same point is called a closed figure.

1. Statement I is true but statement II is false

2. None of the statements I and II are true

3. Both statements I and II are true; statement II is NOT the correct explanation of statement I

4. Both statements I and II are true and statement II is the correct explanation of statement I

Q.

I draw a quadrilateral and then draw all its diagonals. How many triangles can I find?

1. 3

2. 2

3. 8

4. 1

Q. The angles in one regular polygon is to that in another as 3:2 and the number of sides in first is twice that in the second . Determine the number of sides of two polygon s

Q.

In the figure of a cube,

i) Which edge is the intersection of faces EFGH and EFBA?
ii) Which faces intersect at edge FB?
iii) Which three faces form the vertex A?
iv) Which vertex is formed by the faces ABCD, ADHE and CDHG?
v) Give all the edges that are parallel to edge AB
vi) Give the edges that are neither parallel nor perpendicular to edge BC.
vii) Give all the edges that are perpendicular to edge AB.
viii) Give four vertices that do not all lie in one plane.

[4 marks]

Q. Four cylindrical beakers, have equal base areas but volumes in the order of A