Scaled Figures

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

• 21

• 1.25

• 20

• 4

Find missing side

• 5

• 7

• 9

• 11

Which of the following are scaled copies of the original portrait? Select ALL the apply.

• A

• B

• C

• D

• E

Is Figure B a scaled copy of Figure A?

• Yes

• No

Determine the scale factor. Then, find the value of x. ( _ /4)

• 4

• 0.25

• 5

• 6

The image shows​​ (a)   and the scale factor is​​ (b)   ​

• an enlargement

• 3

• a reduction

• 5

• 4

• 2

How do you dilate a figure?

• shift it up and down, left and right

• count how far away each point is from the line

• multiply each point by the scale factor

• apply the right rule to the point

Match the following

• A (2,2) B (3,3) C (4,4)

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

• Scale factor of 5

• A (1,1) B (2,2) C (3,3)

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

• 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 2

• A (2,2) B (3,3) C (4,4)

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

• Scale factor of 1/2

• A (3,3) B (6,6) C (9,9)

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

• Scale factor of 3

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation?

What is the scale factor?

• 4

• 25

• 5

• 6