5. SQUARE -:
A Square when folded from mid point
of each side and corners to their
opposite ones ,it will form four lines
of symmetry .
6. RECTANGLE -:
Rectangle when folded from mid
points of opposite sides it will form
two lines of symmetry but opposite
corners will not meet with each other
on folding .
7. RHOMBUS -:
Rhombus when folded from two
corners to their opposite ones it
will form two lines of symmetry .
9. EQUILATERAL TRIANGLE -:
When taking mid point of each side
and opposite corner on folded three
lines of symmetry are formed .
10. ISOSCELED TRIANGLE -:
The unequal side of isosceles triangle
when folded from mid point to the
opposite corner one line of symmetry
is formed which is not possible with
other two equal sides .