Question

A square is a $2D$ figure made up of lines of same length joined end-to-end, whereas a triangle is a $2D$ figure made up of lines joined end-to-end.

Answer 1

A square can be shown as:


A square is made up of four lines.

A traingle can be shown as:

A triangle is made up of three lines.


A square is a $2D$ figure made up of $4$ or four lines of same length joined end-to-end., whereas a triangle is a $2D$ figure made up of $3$ or three lines joined end-to-end.