Scale Copy, Scale Factor, and Scale Drawings Review

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

What is the scale factor from ΔABC to ΔDEF?

• 1/2
• 7/3
• 2
• 10/3

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4

• 0.25
• 0.5
• 2
• 1/2

sf = 2/3

• Reduction
• Enlargement

sf = 3/2

• Reduction
• Enlargement

sf = 5

• Reduction
• Enlargement

sf = 1/2

• Reduction
• Enlargement

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2