The Total solution for NCERT class 6-12
Figure
Number of lines of symmetry
(a) An equilateral triangle
3
(6) An isosceles triangle
1
(c) A scalene triangle
0
(d) A square
4
(e) A rectangle
2
(f) A rhombus
(g) A parallelogram
(h) A quadrilateral
(i) A regular hexagon
6
(j) A circle
Infinite