Question

A rhombus is symmetrical about each one its diagonals.​

Answer 1

A rhombus is symmetrical about both of its diagonals. So, a rhombus has two lines of symmetry. A square is symmetrical about both of its diagonals and both the lines joining the midpoints of its opposite sides. So, a square has four lines of symmetry.

Answer 2

Question:-

A rhombus is symmetrical about each one its diagonals.

Answer:-

A rhombus has 2 lines of symmetry which cuts it into two identical parts. Both the lines of symmetry in a rhombus are from its diagonals. So, it can be said the rhombus lines of symmetry are its both diagonals