Calculate the smallest angle of rotation for figure 1:
1)[math]360^\circ:3=120^\circ[/math]
brand logos
Which logos have rotational symmetry?
Calculate the smallest angle of rotation for these logos:
a) [math]360^\circ\div3=120^\circ[/math][br]c)[math]360^\circ:2=180^\circ[/math][br]d)[math]360^\circ:2=180^\circ[/math][br]e)[math]360^\circ:4=90^\circ[/math][br]f)[math]360^\circ:3=120^\circ[/math]