Chapter 15 Visualising Solid Shapes Very Short Answer Type Question 1. If three cubes of dimensions 2 cm × 2 cm × 2 cm are placed end to end, what…

Chapter 15 Visualising Solid Shapes Exercise 15.4 Question 1. A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case.…

Chapter 15 Visualising Solid Shapes Exercise 15.3 Question 1. What cross-sections do you get when you give a (i) vertical cut (ii) horizontal cut to the following solids? (a) A…

Chapter 15 Visualising Solid Shapes Exercise 15.2 Question 1. Use isometric dot paper and make an isometric sketch for each one of the given shapes: Solution: Question 2. The dimensions…

Chapter 15 Visualising Solid Shapes Exercise 15.1 Question 1. Identify the nets which can be used to make cubes (Cut out copies of the nets and try it): Solution: Fig.…

Chapter 14 Symmetry Very Short Answer Type Question 1. Draw any two English alphabets having an only a vertical line of symmetry. Solution: Question 2. Draw any two English alphabets…

Chapter 14 Symmetry Exercise 14.3 Question 1. Name any two figures that have both line symmetry and rotational symmetry. Solution: English alphabet H and O both have line symmetry and…

Chapter 14 Symmetry Exercise 14.2 Question 1. Which of the following figures have rotational symmetry of order more than 1? Solution: The figure (a), (b), (d), (e) and (f) have…

Chapter 14 Symmetry Exercise 14.1 Question 1. Copy the figures with punched holes and find the axis of symmetry for the following: Solution: The axis of symmetry is shown by…

Chapter 13 Exponents and Powers Very Short Answer Type Question 1. Express 343 as a power of 7. Solution: We have 343 = 7 × 7 × 7 = 73…