Chapter 5 Understanding Elementary Shapes Ex. 5.9
Question 1.
Match the following:
Give two examples of each shape.
Solution:
(a) 4 ↔ (ii)
Examples:
(i) An ice-cream cone
(ii) Birthday cap
(b) ↔ (iv)
Examples:
(i) Tennis ball
(ii) Cricket ball
(c) ↔ (v)
Examples:
(i) A road roller
(ii) A lawn roller
(d) ↔ (iii)
Examples:
(i) Math book
(ii) A brick
(e) ↔ (i)
Examples:
(i) A diamond
(ii) Egypt-Pyramids
Question 2.
What shape is
(a) Your instrument box?
(b) A brick?
(b) A matchbox?
(d) A road-roller?
(e) A sweet laddu?
Solution:
(a) Shape of instrument box is cuboid.
(b) Shape of a brick is cuboid.
(c) Shape of a matchbox is cuboid.
(d) Shape of a road-roller is cylinder.
(e) Shape of a sweet laddu is sphere.