Class 6 Mathematics Chapter 5| Understanding Elementary Shapes | Exercise 5.3 1. Match the following : (i) Straight angle (a) Less than one-fourth of a revolution (ii) Right angle (b) More than half a revolution (iii) Acute angle (c) Half of a revolution (iv) Obtuse angle (d) One-fourth of a revolution (v) Reflex angle (e) Between 1 4 and 1 2 of a revolution … [Read more...] about Exercise 5.3
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Exercise 5.2
Class 6 Mathematics Chapter 5 | Understanding Elementary Shapes | Exercise 5.2 1. What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from (a) 3 to 9 (b) 4 to 7 (c) 7 to 10 (d) 12 to 9 (e) 1 to 10 (f) 6 to 3 Answer: a) When the hour hand goes from 3 to 9 , it will rotate by 2 right angles. b) When … [Read more...] about Exercise 5.2
Exercise 5.1
Class 6 Mathematics Chapter 5 | Understanding Elementary Shapes | Exercise 5.1 1. What is the disadvantage in comparing line segments by mere observation? Answer: The disadvantage in comparing line segments by mere observation is chance of error due to improper viewing. 2. Why is it better to use a divider than a ruler, while measuring the length of a line … [Read more...] about Exercise 5.1
Exercise 4.6
Class 6 Mathematics Chapter 4 | Basic Geometrical Ideas | Exercise 4.6 Question 1 : Take a circular sheet. Fold it into two halves. Crease the fold and open up. Do you find that the circular region is halved by the diameter? A diameter of a circle divides it into two equal parts; each part is a semi-circle. A semi-circle is half of a circle, with the end points of diameter as … [Read more...] about Exercise 4.6
Exercise 4.5
Class 6 Mathematics Chapter 4| Basic Geometrical Ideas | Exercise 4.5 Question 1. Draw a rough sketch of a quadrilateral PQRS. Draw its diagonals. Name them. Is the meeting point of the diagonals in the interior or exterior of the quadrilateral? Answer 1 : Diagonal : PR and QS Diagonal meet at point O which is in the interior of quadrilateral … [Read more...] about Exercise 4.5