Scale Factor Figure A to Figure B

If the two figures are similar, what is the length of the missing side (x)?

• 12 cm

• 14 cm

• 21 cm

• 4 cm

Match the following

• A (2,2) B (3,3) C (4,4)

  A' (6,6) B' (9,9) C' (12,12)

• Scale factor of 3

• A (3,3) B (6,6) C (9,9)

  A' (1,1) B' (2,2) C' (3,3)

• Scale factor of 1/2

• A (1,1) B (2,2) C (3,3)

  A' (5,5) B' (10,10) C' (15,15)

• Scale factor of 2

• A (2,2) B (3,3) C (4,4)

  A' (4,4) B' (6,6) C' (8,8)

• Scale factor of 1/3

• A (2,2) B (3,3) C (4,4)

  A' (1,1) B' (1.5,1.5) C' (2,2)

• Scale factor of 5

Figure B is a scaled copy of figure A. What is the scale factor?

• 3

• 1/3

• 2

• 1/2

Figure B is a scaled copy of figure A. What is the scale factor?

• 0

• 1/2

• 2

• 1

Figure B is a scaled copy of figure A. What is the scale factor?

• 1/2

• 2

• 1/3

• 3

Are the figures scaled copies?

• Yes

• No

Are these figures scaled copies?

• Yes

• No

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

Q1. What is the value of 1/2?

• 0.25

• 0.5

• 2

• 1/2