Give two different examples of pairs of similar figures.

(N/A) Two figures are said to be similar if they have the same shape but not necessarily the same size.
Example $1$: Two equilateral triangles with side lengths $1\, cm$ and $2\, cm$ respectively. Since all equilateral triangles have angles of $60^{\circ}$,they have the same shape.
Example $2$: Two squares with side lengths $1\, cm$ and $2\, cm$ respectively. Since all squares have interior angles of $90^{\circ}$ and proportional sides,they have the same shape.