Question

Is all triangle have atleast one line of symmentry

Answer 1

The division of triangles into scalene, isosceles, and equilateral can be thought of in terms of lines of symmetry. A scalene triangle is a triangle with no lines of symmetry while an isosceles triangle has at least one line of symmetry and an equilateral triangle has three lines of symmetry.

Answer 2

yes , triangle has at least one line of symmetry

an equilateral triangle has 3 lines of symmetry

an isosceles triangle has 1 line of symmetry