Question

How many diagonal does a regular quadrilateral have ? What is the order of rotational symmetry of it ?​

Answer 1

Answer:

Maybe the quadrilateral have 2 diagonals.

The order of rotational line of symmetry depends on the shapes you have been asked for like a square has 4 lines of symmetry and rotational symmetry of order 4 & a rectangle has 2 lines of symmetry and rotational symmetry of order 2.