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RS Aggarwal Solutions Class 7 Mathematics Solutions for Reflection and Rotational Symmetry Exercise 18B in Chapter 18 - Reflection and Rotational Symmetry

Question 2 Reflection and Rotational Symmetry Exercise 18B

(i) How many lines of symmetry does a rhombus have?

(ii)What is the order of rotational symmetry of a rhombus?

Answer:

(i) A rhombus is symmetrical about each one of its diagonals.

∴ Rhombus has 2 lines of symmetry.

R S Aggarwal - Mathematics - Class 7  chapter Reflection and Rotational Symmetry Question 2 Solution image

(ii) A rhombus has rotational symmetry of order 2, when rotated through 180^{\circ} \text { and } 360^{\circ}.

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