The figures in the pair are similar. a. Find the scale factor of the first figure to the second. b. Give the corresponding ratio of the perimeters. c. Give the corresponding ratio of the areas.

21cm
6cm

a. Scale factor = 21/6 = 3.5

b. Corresponding ratio of perimeters = 21/6 = 3.5

c. Corresponding ratio of areas = (21^2) / (6^2) = 441 / 36 = 12.25