Mathematics
Answer
A scalene triangle has three sides of different lengths and three angles of different measures. Because no two sides or angles are equal, there is no way to draw a line through the triangle that creates two identical, mirror-image halves.
∴ A scalene triangle has no line of symmetry.
Related Questions
Which of the following figures has only one line of symmetry?
(i) A rectangle
(ii) A parallelogram
(iii) An isosceles trapezium
(iv) A circle
An angle having equal arms possesses how many lines of symmetry? Show all possible lines of symmetry in such an angle.
A square and a rectangle have :
(i) only one line of symmetry each
(ii) two lines of symmetry each
(iii) four lines of symmetry each
(iv) an unequal number of lines of symmetry
A rhombus has :
(i) one line of symmetry
(ii) two lines of symmetry
(iii) four lines of symmetry
(iv) no line of symmetry