Chapter 14 Practical Geometry

Chapter 14 Practical Geometry Very Short Answer Type Question 6. Draw ∆ABC. Draw perpendiculars from A, B and C respectively on the sides BC, CA and AB. Are there perpendicular concurrent? (passing through the same points). Solution: Step I: Draw any ∆ABC. Step II : Draw the perpendicular AD from A to BC. Step III […]

Chapter 14 Practical Geometry Ex 14.6

Chapter 14 Practical Geometry Ex 14.6 Step III : With centre R and radius of the same length, mark S and T on the former arc. Step IV : With centres S and T and with the same radius, draw two arcs which meet each other at U. Step V: Join QU such that ∠PQU […]

Chapter 14 Practical Geometry Ex 14.2

Chapter 14 Practical Geometry Ex 14.2 Question 2. Construct a line segment of length 5.6 cm using ruler and compass. Solution: Step I: Draw any line L of suitable lengths. Step II : Place the needle of the compass on the zero mark of the ruler and open it upto 5.6 mark. Step III : […]

Chapter 14 Practical Geometry Ex 14.1

Chapter 14 Practical Geometry Ex 14.1 Question 1. Draw a circle of radius 3.2 cm. Solution: Step I : Mark a point O as a centre. Step II: Open the compass up to the given radius 3.2 cm. Step III : Put the needle of the compass at the centre O. Step IV : Holding […]

Chapter 13 Symmetry

Chapter 13 Symmetry Very Short Answer Type Question 1. Write four such English letters which have no line of symmetry. Solution: The 4 English letters having no line of symmetry are: P, F, G and Z. Question 2. Write 5 such English letters which have horizontal line of symmetry. Solution: The required letters are: E, […]

Chapter 13 Symmetry Ex 13.3

Chapter 13 Symmetry Ex 13.3 Question 1. Find the number of lines of symmetry in each of the following shapes. How will you check your answer? Solution: (a) The given figure has 4 lines of symmetry. (b) The given figure has only one line of symmetry. (c) The given figure has two line of symmetry. […]

Chapter 13 Symmetry Ex 13.2

Chapter 13 Symmetry Ex 13.2 Question 1. Find the number of lines of symmetry for each of the following shapes. Solution: (a) Here, there are four symmetric lines l, m, n and o. (b) In this figure, there are four symmetric lines p, q, r and s. (c) In this shape, u, v , w […]

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