Punjab State Board PSEB 7th Class Maths Book Solutions Chapter 15 Visualising Solid Shapes Ex 15.1 Textbook Exercise Questions and Answers.
PSEB Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1
1. Match the two dimensional figure with the names.
Answer:
(i) (e)
(ii) (d)
(iii) (a)
(iv) (b)
(v) (c)
2. Match the three dimension shapes with the names.
Answer:
(i) (d)
(ii) (e)
(iii) (a)
(iv) (c)
(v) (b)
3. Identify the nets which can be used to make cubes (cut out copies of the nets and try it).
Answer:
(i), (iv)
4. Draw the net for a square pyramid with base as square of sides 5 cm and slant edges 7 cm.
Answer:
5. Draw a net for the following cylinder.
Answer:
6. Draw the net of the solid given in figure.
Answer:
7. Dice are cubes with dots on each face opposite faces of a die always have a total of seven dots on them following are two nets to make dice (cuber) the number inserted in each square indicate the number of dots in that box insert suitable number in the blank squares.
Solution:
8. Which solid will be obtained by folding the following net ?
Solution:
9. Complete the following table.
Solution:
(i) Faces : 6.
(ii) Edges : 2. vertices : NIL,
(iii) Faces : 7. Edges : 15.
(iv) faces : 5, vertices : 5.
10. Multiple Choice questions :
Question (i).
Out of following which is 3-D figure ?
(a) Square
(b) Triangle
(c) Sphere
(d) Circle
Answer:
(c) Sphere
Question (ii).
Total number of faces a cylinder has :
(a) 0
(b) 2
(c) 1
(d) 3
Answer:
(d) 3
Question (iii).
How many edges are there in a square pyramid ?
(a) 5
(b) 8
(c) 1
(d) 4
Answer:
(b) 8
Question (iv).
Sum of number on the opposite faces of a die is :
(a) 8
(b) 7
(c) 9
(d) 6
Answer:
(b) 7
Question (v).
Which is not a solid figure ?
(a) Cuboid
(b) Sphere
(c) Quadrilateral
(d) Pyramid
Answer:
(c) Quadrilateral