WBBSE Solutions For Class 6 Maths Chapter 11 Geometrical Concepts Related To Regular Solids

Class 6 Math Solutions WBBSE Chapter 11 Geometrical Concepts Related To Regular Solids Exercise 11

Question 1. Let’s place a tetrahedron and place the face of a hemisphere on an exercise book and mark the boundary with a pencil. Let’s observe the shapes and write these names.
Solution:

Question 2. Let me try and find a solid which has only one surface.
Solution:

Name of solid: Football (sphere)

Surface: Curved surface

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Question 3. Let me write the name of such a soild that has one curved surface and two plane surfaces.
Solution:

Name of solid: Glass(cylinder)

Surface: One curved surface and two plane surfaces

Class 6 WBBSE Math Solutions

Question 4. Let me draw such a solid which has one curved and one plane surface.
Solution:

Name of solid: Cone

Surface: One plane and one curved surface

Question 5. With 6 plane surfaces, let me make a solid figure and write my observations for the solid made.
Solution:

Name of solid: Box (cuboid)

Surface: Six-plane surface

Class 6 WBBSE Math Solutions Chapter 11 Geometrical Concepts Related To Regular Solids Exercise 11.1

Question 1. Fill in the blank spaces given in the chart below

Solution:

Question 2. Let us identify the solids and write their names: Pyramid, Tetrahedron, Cube, Cuboid

Solution:

Question 3. Let us choose the right option

1. Which of these is not cuboid?

1. Brick
2. Dice
3. Book
4. Bottle

Answer: 4. Bottle

2. Which of these is of cylindrical shape?

1. Eraser
2. Duster
3. Milk powder can
4. Ball

Answer: 3. Milk powder can

WBBSE Math Solutions Class 6

3. A solid having one surface is

1. Dice
2. Pencil
3. Exercise Book
4. Ball

Answer: 4. Ball

4. Observing the figures find out which one will not make a cube

Answer: 2.