Extra Questions for Class 7 Maths PDF are provided here. Students can download the pdf of these solutions from the given links. Visualising Solid Shapes Class 7 Extra Questions Maths Chapter 15 provided in accordance with the latest syllabus of CBSE which, in turn, help the students to build a strong foundation and secure excellent marks in their board exams. https://meritbatch.com/visualising-solid-shapes-class-7-extra-questions/
NCERT Class 7 Maths Chapter 15 Extra Questions and Answers
Extra Questions for Class 7 Maths Chapter 15 Visualising Solid Shapes
Visualising Solid Shapes Class 7 Extra Questions Very Short Answer Type
Class 7 Maths Chapter 15 Extra Questions Question 1.
If three cubes of dimensions 2 cm × 2 cm × 2 cm are placed end to end, what would be the dimension of the resulting cuboid?
Solution:
Length of the resulting cuboid = 2 cm + 2 cm + 2 cm = 6 cm
Breadth = 2 cm
Height = 2 cm
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Hence the required dimensions = 6 cm × 2 cm × 2 cm.
Visualising Solid Shapes Class 7 Worksheets Pdf Question 2.
Answer the following:
(i) Why a cone is not a pyramid?
(ii) How many dimension a solid have?
(iii) Name the solid having one curved and two flat faces but no vertex.
Solution:
(i) Cone is not a pyramid because its base is not a polygon.
(ii) Three.
(iii) Cylinder
Visualising Solid Shapes Class 7 Worksheets With Answers Question 3.
Write down the number of edges on each of the following solid figures:
(i) Cube
(ii) Tetrahedron
(iii) Sphere
(iv) Triangular prism
Solution:
(i) 12
(ii) 6
(iii) 0
(iv) 9
Worksheet On Visualising Solid Shapes Class 7 Question 4.
What cross-section do you get when you give a horizontal cut to an ice cream cone?
Solution:
Circle.
Questions On Visualising Solid Shapes For Class 7 Question 5.
Determine the number of edges, vertices and faces in the given figure.
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Solution:
Edges = 8
Vertices = 5
Faces = 5
Visualizing Solid Shapes Class 7 Questions Question 6.
Draw the sketch of two figure that has no edge.
Solution:
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Extra Questions On Visualising Solid Shapes For Class 7 Question 7.
Draw the sketches of two figures that have no vertex.
Solution:
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Visualising Solid Shapes Class 7 Worksheets Question 8.
Name any three objects which resemble a sphere and cone.
Solution:
Sphere: Football, Earth, Round table
Cone: Conical funnel, ice cream cone, conical cracker
Questions On Visualising Solid Shapes Question 9.
What shape would we get from the given figure?
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Solution:
From the given net, we get a rectangular pyramid.
Visualising Solid Shapes Class 7 Extra Questions Short Answer Type
Question 10.
For the solids given below sketch the front, side and top view
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Solution:
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Question 11.
Match the following:
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Solution:
(i) → (e)
(ii) → (a)
(iii) → (b)
(iv) → (c)
(v) → (d)
Question 12.
Complete the following table:
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Solution:
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Question 13.
Draw a plan, front and side elevations of the following solids.
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Solution:
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Question 14.
Name the solid that would be formed by each net:
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Solution:
(i) Triangular pyramid
(ii) Square pyramid
(iii) Hexagonal pyramid
Question 15.
Name the solids that have:
(i) 1 curved surface
(ii) 4 faces
(iii) 6 faces
(iv) 5 faces and 5 vertices
(v) 8 triangular faces
(vi) 6 triangular faces and 2 hexagonal faces.
Solution:
(i) Cylinder
(ii) Tetrahedron
(iii) Cube and cuboid
(iv) Square pyramid or rectangular pyramid
(v) Regular octahedron
(vi) Hexagonal prism.
Question 16.
Draw the top, side and front views of the given solids:
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Solution:
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Question 17.
Draw the net of a cuboid having same breadth and height, but length double the breadth.
Solution:
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Question 18.
Draw the nets of the following:
(i) Triangular prisms
(ii) Tetrahedron
(iii) Cuboid.
Solution:
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