Class 6 | Mathematics | Chapter 5| Understanding Elementary Shapes | Exercise 5.9 1. Match the following : Give two new examples of each shape. Answer: 2. What shape is (a) Your instrument box? (b) A brick? (c) A match box? (d) A road-roller? (e) A sweet laddu? Answer : (a) Cuboid (b) Cuboid (c) Cuboid (d) Cylinder (e) Sphere … [Read more...] about Exercise 5.9

# Chapter 5 Understanding Elementary Shapes

## Exercise 5.8

Class 6 | Mathematics | Chapter 5| Understanding Elementary Shapes | Exercise 5.8 1. Examine whether the following are polygons. If any one among them is not, say why? Answer: (a) As it is not a closed figure, therefore, it is not a polygon. (b) It is a polygon because it is closed by line segments. (c) It is not a polygon because it is not made by line … [Read more...] about Exercise 5.8

## Exercise 5.7

Class 6 | Mathematics | Chapter 5| Understanding Elementary Shapes | Exercise 5.7 1. Say True or False : (a) Each angle of a rectangle is a right angle. (b) The opposite sides of a rectangle are equal in length. (c) The diagonals of a square are perpendicular to one another. (d) All the sides of a rhombus are of equal length. (e) All the sides of a parallelogram are of … [Read more...] about Exercise 5.7

## Exercise 5.6

Class 6 | Mathematics | Chapter 5| Understanding Elementary Shapes | Exercise 5.6 1. Name the types of following triangles : (a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm. (b) ΔABC with AB = 8.7 cm, AC = 7 cm and BC = 6 cm. (c) ΔPQR such that PQ = QR = PR = 5 cm.(d) ΔDEF with m ∠D = 90° (e) ΔXYZ with m ∠Y = 90° and XY = YZ (f) ΔLMN with m ∠L = 30°, m ∠M = … [Read more...] about Exercise 5.6

## Exercise 5.5

Class 6 | Mathematics | Chapter 5| Understanding Elementary Shapes | Exercise 5.5 1. Which of the following are models for perpendicular lines : (a) The adjacent edges of a table top. (b) The lines of a railway track. (c) The line segments forming the letter ‘L’. (d) The letter V. Answer: (a) Perpendicular (b) Not perpendicular (c) Perpendicular (d) Not … [Read more...] about Exercise 5.5