an isosceles has only 1 line of symmetry
It has one line of symmetry
One.
4 sides, each of which is a isosceles triangle with 3 lines of symmetry, gives 12.
Any isosceles triangle that is not also equilateral has exactly one line of symmetry.
it has 1 line of symmtery * * * * * Normally a trapezium will have no lines of symmetry.
None, normally. One if it is an isosceles trapezium.
It has 1 vertical line of symmetry
Usually none. But one in an isosceles trapezium.
A trapezium can have at most 1 line of symmetry.
One.
None.
An isosceles triangle has 1 line of symmetry
A closed wiggly line. or many irregular polygons such as scalene triangle, ordinary quadrilateral, trapezium (if not isosceles), etc.
An isosceles triangle has only 1 line of symmetry.
an isosceles has only 1 line of symmetry
None.