Question

Which pairs of rectangles are similar polygons? Rectangle A: 100cm & 80cm Rectangle B: 120cm & 100cm Rectangle C: 90cm & 72cm. A and B - similar or not similar? B and C similar or not similar? A and C similar or not similar?

Answer 1

A and C similar

Explanation:

A: 80/100 = 0.8

B: 100/120 = 0.833...

C: 72/90 = 0.8

Since the ratio of the lengths of the sides of rectangle A and C are equal, the only similar rectangles are A and C.

Answer: A and C similar