Question

Rectangle A has length 3 and width 5. Rectangle B has length 12 and

width 20. Is Rectangle B a scaled copy of Rectangle A? If so, what is the
scale factor?
No, Rectangle B is not a scaled copy of Rectangle A.
Yes, the scale factor is 9.
Yes, the scale factor is 4.
Yes, the scale factor is 3.
Yes, the scale factor is 15.

Answer 1

Yes, the scale factor is 4.

Explanation:

If you times the length, 3, and the width, 5, by 4, you'll get 12 as your length and 20 as your width.