Applications of Proportions with Enlargement and Reduction

Find the scale factor of the enlargement from A to C

• 2

• 0.5

• 3

• 4

Find the scale factor of the enlargement from A to B

• 2

• 0.5

• 3

• 4

Find the scale factor of the enlargement from A to D

• 2

• 5

• 3

• 4

Find the scale factor of the enlargement from D to A

• 1/2

• 3

• 1/4

• 4

Find the scale factor of the enlargement from F to B

• 0.5

• 3

• 2

• 4

Find the scale factor of the enlargement from A to C

• 0.5

• 3

• 2

• 4

Find the scale factor of the enlargement from R to T

• 0.5

• 3

• 2

• 4

Find the scale factor of the enlargement from Y to X

• 0.5

• 3

• 2

• 4

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