Question

Rectangle A has length 12 and width 8. Rectangle B has length 15 and width 10.

Rectangle C has length 30 and width 15.
1. Is Rectangle A a scaled copy of Rectangle B? If so, what is the scale factor?
2. Is Rectangle B a scaled copy of Rectangle A? If so, what is the scale factor?
3. Explain how you know that Rectangle C is not a scaled copy of Rectangle B.
4. Is Rectangle A a scaled copy of Rectangle C? If so, what is the scale factor?

Answer 1

1. yes , 1:1.25

2. no

3. Because the ratio between the width of rectangle a along rectangle a is 3: 2 and also in rectangle b the ratio between the width of rectangle along rectangle is 3: 2 but the ratio between width of rectangle c along rectangle c is 2: 1