Question

A 30° – 60° – 90° set-square has ______ line/lines of symmetry.

Answer 1

A 30° – 60° – 90° set-square has no line/lines of symmetry.

Explanation:

Since, a 30° – 60° – 90° set square has a shape of scalene triangle and a scalene triangle have no line of symmetry because all its sides and angles are of different measures.