Question

Name a triangle which has
(i) exactly one line of symmetry.
(ii) exactly three lines of symmetry.
(iii) no lines of symmetry.

Answer 1

1) isosceles triangle - 1 line of symmetry


2)equilateral triangle - 3 line of symmetry


3)scalene triangle - no line of symmetry

Answer 2

Bonjour!

1) Exactly one line of symmetry - Isosceles triangle

2) Exactly three lines of symmetry - Equilateral triangle

3) No lines of symmetry- Scalene triangle

Hope this helps...:)