Rectangle EFGH is a scaled copy of Rectangle ABCD. What scale factor was used to create EFGH?

If the square below is enlarged by a scale factor of 2, what will be the area of the new square?

Justin has two rectangular photo prints that are scaled copies. The length of the smaller print is 5 inches and the width is 3 inches. The length of the larger print is 15 inches. What is the width of the larger print in inches?

What is the scale factor from polygon ABCD to polygon PQRS?

What is the scale factor? (The original figure is the smaller triangle.)

If each 2 cm on the scale drawing below equals 8 feet, what is the actual length of the red line?

If C is the original figure, what scale factor was used to create the copy, figure D?

What do we call the number used to multiply a side length to get the corresponding side in a scaled copy?

What is the scale factor from rectangle OPQR to KLMN?

What is the scale factor from rectangle KLMN to OPQR?

Solve: 21 × _____ = 7

Use the scale factor to find the length of segment GE.

Kobe is trying to reproduce the drawing on the left, so that every side is enlarged by a scale factor of 2.5. Did Kobe make the scale drawing correctly? Explain why or why not.