In order to score high in Maths, RD Sharma Solutions is the best study material for the students. These materials can be downloaded easily . The subject matter experts at infinity learn have prepared the RD Sharma Solutions to help the students who find it difficult to solve the given exercises. Chapter 18, Symmetry includes three exercises. Students can easily access answers to the problems present in RD Sharma Solutions for Class 7. Let us have a look at some of the important concepts that are being discussed in this Chapter.

- Definition of symmetry
- Lines of symmetry
- Lines of symmetry of a line
- Lines of symmetry of a line segment
- Lines of symmetry of an angle
- Lines of symmetry of an isosceles triangle
- Lines of symmetry of a rhombus
- Lines of symmetry of rectangle
- Lines of symmetry of an isosceles trapezium
- Lines of symmetry of the kite
- Lines of symmetry of an arrowhead
- Lines of symmetry of a semi-circle
- Lines of symmetry of a circle

- Lines of symmetry of some regular polygons
- Lines of symmetry of an equilateral triangle
- Lines of symmetry of a square
- Lines of symmetry of a regular pentagon
- Lines of symmetry of a regular hexagon

- Line of symmetry and reflection
- Rotational symmetry
- Angle of rotation
- Order of rotational symmetry

### Q6. What is the line of symmetry of these diagrams.

Free PDF of RD Sharma Solutions/Answers for Class 7 Maths of Chapter 18 – Symmetry is offered here. Students who wish to score good marks in their examinations can look up to RD Sharma Solutions provided by Infinity Learn. These solutions are formulated by the Vedantu expert team in Maths to help students to solve their doubts and to make them shine bright in their academics. Chapter 18 – Symmetry has three exercises in total which are easy. RD Sharma Class 7 Maths, Chapter 18 – Symmetry, is prepared and solved by Expert Mathematics Teachers on Infinity Learn with step-by-step explanations in each exercise.