Scale factor of Similar figures and multiplication

Which figure is scale copy of the original figure?

• A

• B

• C

• D

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

• larger

• smaller

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

• smaller

• larger

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

• 2
• 3/2
• 2/3
• 1/2

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

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

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

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

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

What is the scale factor from ABCD to MNOP?

• 2/3
• 3/2
• 2
• 3

• 0.25
• 0.5
• 2
• 1/2

Which triangle is similar to the above triangle ?

• A
• B
• C
• D