The areas of two similar rectangles are 192 cm2 and 363 cm2. What is the similarity ratio of the two rectangles?
A = ab ( the area of rectangle )
a b = 192
a b r² = 363
192 r² = 363
r = √363 / 192 = √121/64
r = 11/8
The similarity ratio of the two rectangles is 11/8.