Tiwari Academy Discussion

Asked: March 25, 2021In: Class 7 Maths

Examine if the following are true statements: (i) The cube can cast a shadow in the shape of a rectangle. (ii) The cube can cast a shadow in the shape of a hexagon.

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.4 NCERT Books for Session 2020-2021 CBSE Board Questions No: 3

Jailesh

Asked: March 25, 2021In: Class 7 Maths

Here are the shadows of some 3-D objects, when seen under the lamp of the overhead projector. Identify the solid (s) that match each shadow. (There may be multiple answers for these!)

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.4 NCERT Books for Session 2020-2021 CBSE Board Questions No: 2

Jailesh

Asked: March 25, 2021In: Class 7 Maths

A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case. Attempt to give a rough sketch of the shadow. (You may try to experiment first and then answer these questions).

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.4 NCERT Books for Session 2020-2021 CBSE Board Questions No: 1

Jailesh

Asked: March 25, 2021In: Class 7 Maths

What cross-sections do you get when you give a: (i) vertical cut (ii) horizontal cut to the following solids? (a) A brick (b) A round apple (c) A die (d) A circular pipe (e) An ice-cream cone.

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 1

Jailesh

Asked: March 25, 2021In: Class 7 Maths

An isometric sheet is attached at the end of the book. You could try to make on it some cubes or cuboids of dimensions specified by your friend.

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.2 NCERT Books for Session 2020-2021 CBSE Board Questions No: 6

Jailesh

Asked: March 25, 2021In: Class 7 Maths

Give (i) an oblique sketch and (ii) an isometric sketch for each of the following: (a) A cuboid of dimensions 5 cm, 3 cm and 2 cm. (Is your sketch unique?) (b) A cube with an edge 4 cm long.

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.2 NCERT Books for Session 2020-2021 CBSE Board Questions No: 5

Jailesh

Asked: March 25, 2021In: Class 7 Maths

Make an oblique sketch for each one of the given isometric shapes:

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.2 NCERT Books for Session 2020-2021 CBSE Board Questions No: 4

Jailesh

Asked: March 25, 2021In: Class 7 Maths

Three cubes each with 2 cm edge are placed side by side to form a cuboid. Sketch an oblique or isometric sketch of this cuboid.

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.2 NCERT Books for Session 2020-2021 CBSE Board Questions No: 3

Jailesh

Asked: March 25, 2021In: Class 7 Maths

The dimensions of a cuboid are 5 cm, 3 cm and 2 cm. Draw three different isometric sketches of this cuboid.

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.2 NCERT Books for Session 2020-2021 CBSE Board Questions No: 2

Jailesh

Asked: March 25, 2021In: Class 7 Maths

Use isometric dot paper and make an isometric sketch for each one of the given shapes:

NCERT Solutions for Class 7 Mathematics Chapter 15 Important NCERT Questions Class vii Math Chapter 15 Visualising Solid Shapes Exercise 15.2 NCERT Books for Session 2020-2021 CBSE Board Questions No: 1

Examine if the following are true statements: (i) The cube can cast a shadow in the shape of a rectangle. (ii) The cube can cast a shadow in the shape of a hexagon.

Here are the shadows of some 3-D objects, when seen under the lamp of the overhead projector. Identify the solid (s) that match each shadow. (There may be multiple answers for these!)

A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case. Attempt to give a rough sketch of the shadow. (You may try to experiment first and then answer these questions).

What cross-sections do you get when you give a: (i) vertical cut (ii) horizontal cut to the following solids? (a) A brick (b) A round apple (c) A die (d) A circular pipe (e) An ice-cream cone.

An isometric sheet is attached at the end of the book. You could try to make on it some cubes or cuboids of dimensions specified by your friend.

Give (i) an oblique sketch and (ii) an isometric sketch for each of the following: (a) A cuboid of dimensions 5 cm, 3 cm and 2 cm. (Is your sketch unique?) (b) A cube with an edge 4 cm long.

Make an oblique sketch for each one of the given isometric shapes:

Three cubes each with 2 cm edge are placed side by side to form a cuboid. Sketch an oblique or isometric sketch of this cuboid.

The dimensions of a cuboid are 5 cm, 3 cm and 2 cm. Draw three different isometric sketches of this cuboid.

Use isometric dot paper and make an isometric sketch for each one of the given shapes:

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