Scale Drawings Proportional

Which figures are scaled copies of the original A? Select all that apply.

• Figure 1

• Figure 2

• Figure 3

• Figure 4

The second H-shaped polygon is a scaled copy of the first. What is the scale factor from the original polygon to its smaller copy?

• 1/4

• 4

• 2

• 1/2

What is the scale factor from Polygon A to Polygon B?

• 2

• 1/2

• 2.5

• 2/5

A rectangular garden is 45 ft wide and 70 ft long. On a blueprint, the width is 9 in. Identify the length on the blueprint. 

• 7 in

• 9 in

• 12 in

• 14 in

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

The original perimeter of a rectangle is 30cm, if we enlarge it by a scale factor of 4 what is the new perimeter?

• 120

• 480

• 1920

Figure B is a scaled copy of Figure A. Select all of the statements that must be true.

• Figure B is larger than Figure A.

• Figure B has the same number of edges as Figure A.

• Figure B has the same perimeter as Figure A.

• Figure B has the same number of angles as Figure A.

• Figure B has angles with the same measures as Figure A.

Scale factor is _________

• the number you multiply the original shape by in order to get the scale copy

• the number you divide the original shape by in order to get the scale copy

• the number you add the original shape by in order to get the scale copy

• the number you subtract the original shape by in order to get the scale copy

Rectangle A measures 12 inches by 6 inches. Rectangle B is a scaled copy of Rectangle A. Select all of the measurement pairs that could be the dimensions of Rectangle B.

• 3 inches by 1.5 inches

• 7 inches by 3 inches

• 24 inches by 18 inches

• 60 inches by 30 inches

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

• reduction

• enlargement

• scale

• not proportional