Exercise: 1.3

A. Which of the following figure is symmetrical about dotted line?
Symmetry Exercise Figures
Answer: 3 and 5
Who am I ?
(1) I have no side, no vertices and many lines of symmetry. Who am I? Circle
(2) I have 4 equal sides and 4 lines of symmetry. Who am I? Square
(3) I have 3 equal sides, 3 vertices and 3 lines of symmetry, who am I? Triangle
(4) I have 4 sides opposite sides are equal and I have 2 lines of symmetry. Who am I? Rectangle