Question

State the number of lines of symmetry for the following figures:

1. An equilateral triangle
2. An isosceles triangle
3. A scalene triangle
4. A square
5. A rectangle
6. A rhombus
7. A parallelogram
8. A quadrilateral
9. A regular hexagon
10. A circle

Answer 1

(a) There are 3 lines of symmetry in an equilateral triangle.

(b)There is only 1 line of symmetry in an isosceles triangle.

(c) There is no line of symmetry in a scalene triangle.

(d)There are 4 lines of symmetry in a square.

(e) There are 2 lines of symmetry in a rectangle.

(f)There are 2 lines of symmetry in a rhombus.

(g) There is no line of symmetry in a parallelogram.

(h) There is no line of symmetry in a quadrilateral.

(i) There are 6 lines of symmetry in a regular hexagon.

(j)There are infinite lines of symmetry in a circle. Some of these are represented as follows