Question 11 Mark
Draw a view of each solid as seen from the direction Indicated by the arrow.
Answer
View full question & answer→The view of each solid as seen from the direction indicated by the arrow are as follow.
Questions
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Question 21 Mark
Match the nets with appropriate solids:
Answer
View full question & answer→After matching the nets with appropriate solids, we get the following pairs:
(a) (ii) $\quad$ (b) (iii) $\quad$ (c) (iv) $\quad$ (d) (i)
(a) (ii) $\quad$ (b) (iii) $\quad$ (c) (iv) $\quad$ (d) (i)
Question 31 Mark
Identify the nets which can be used to make cubes (cut-out coples of the nets and try it).
Answer
View full question & answer→In the given figures, nets (ii), (iii), (iv) and (vi) can be used to make cubes.
Question 41 Mark
Which of the following shows the side view of the arrangement?
Answer
View full question & answer→Option (c) shows the side view of the arrangement.
Question 51 Mark
Jayesh chopped carrots this way.
Which geometric shape do the chopped carrots resemble? How many edges does one piece have?
Which geometric shape do the chopped carrots resemble? How many edges does one piece have?
Answer
View full question & answer→The chopped carrot resemble cuboid and contains 12 edges.
Question 61 Mark
A sketch of a house on grid is shown below.
1 block represents one square unit.
Is face A identical to face B ? Explain your answer.
1 block represents one square unit.
Is face A identical to face B ? Explain your answer.
Answer
View full question & answer→No, face $A$ is not identical to face $B$ because face $A$ is a square and face B is a rectangle.
Question 71 Mark
How many faces does following figure have?
Answer
View full question & answer→There are total 16 faces in the given figure.
Question 81 Mark
What is the vertical cross-section (slice) of a cylinder if it is placed on one of its circular faces?
Answer
View full question & answer→It will be a rectangle.
Question 91 Mark
Count the number of cubes in the following figures.
Answer
View full question & answer→Here, the number of cubes in fig. (i) is 16 and the number of cubes in fig. (ii) is 32.
Question 101 Mark
How many triangles are there in the net of triangular pyramid?
Answer
View full question & answer→The number of triangles in the net of triangular pyramid is 4.
Question 111 Mark
How many squares and triangles are in the net of triangular prism?
Answer
View full question & answer→In a triangular prism, the total number of squares is 3 and triangles will be 2.
Question 121 Mark
Define the net of a solid.
Answer
View full question & answer→A net is a skeleton-outline in 2-D, which when folded results in a 3-D shape.
Question 131 Mark
Give three examples of plane figures.
Answer
View full question & answer→The three examples of plane figures are circle, rectangle and square.
Question 141 Mark
Draw the figure of cross-section obtained by cutting vertically the following shape of cylinder
Answer
View full question & answer→The figure of cross-section obtained by cutting vertically the shape of cylinder.
Question 151 Mark
Draw a net for the following pyramid.
Answer
View full question & answer→Net for the given pyramid is as follows:
Question 161 Mark
Make a net for given cone.
Answer
View full question & answer→Net for the given cone figure will be
Question 171 Mark
Write the number of faces, edges and vertices in the solids given below.
(i) Prism
(ii) Brick
(i) Prism
(ii) Brick
Answer
View full question & answer→(i) For prism, Faces $=5$, edges $=9$, vertices $=6$
(ii) For brick, Faces $=6$, edges $=12$, vertices $=8$
(ii) For brick, Faces $=6$, edges $=12$, vertices $=8$
Question 181 Mark
How many vertices does a cuboid have?
Question 191 Mark
How many faces does a cube have?
Answer
View full question & answer→The total number of faces of a cube is equal to 6.
Question 201 Mark
Draw a net of a cuboid having same breadth and height but length double the breadth.
Answer
View full question & answer→Required net of a cuboid will be
