Question

Can you draw a triangle which has
(a) exactly one line of symmetry?
(b) exactly two lines of symmetry?
(c) exactly three lines of symmetry?
(d) no lines of symmetry?

Sketch a rough figure in each case. (5 marks)

Answer 1

(a) Yes, Isosceles right angled triangle has exactly one line of symmetry.

(1.5 mark)

(b) No, we cannot draw any triangle with two symmetric lines.
(1.5 mark)

(c) Yes, an equilateral triangle has three lines of symmetry.

(1 mark)

(d) Yes, Scalene triangle has no lines of symmetry
(1 mark)