Unit 1- Scaled Copies- Review

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

• 2

• $\frac{1}{2}$

• 4

• $\frac{1}{4}$

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Identify the side length in Figure 1 that corresponds to the side length MQ in figure 2.

• BC

• AE

• CD

• DE

Tags

CCSS.HSG.SRT.A.2

Line CB corresponds with what line? 

• SR
• PQ
• SP
• RQ

Tags

CCSS.8.G.A.2

If the scale factor is 4, what is the measurement of slide length x?

• 21

• 1.25

• 20

Tags

CCSS.7.G.A.1

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.

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

A local park is in the shape of a square. A map of the local park is made with the scale 1 inch to 200 feet. If the park is shown as a square on the map, each side of which is one foot long, how long is each side of the square park?

• 2,000 ft

• 1,800 ft

• 2,800 ft

• 2,400 ft

Tags

CCSS.7.RP.A.2C

A blueprint for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the blueprint says that 1 inch on the blueprint is equivalent to 10 feet in the actual building. What are the dimensions of this rectangular room in the actual building?

• 30 feet long and 55 feet wide

• 55 feet wide and 30 feet long

• 3 feet long and 5.5 feet wide

• 5.5 feet long and 3 feet wide

A scaled copy is a copy of a figure where every length in the original figure is _______________ by the same number.

• multiplied

• added

• divivided

• subtracted

To create a ___________, we multiply all the lengths in the original figure by the same number. This number is called the _____________.

• scaled copy, scale factor

• scaled copy, reciprocal

• reciprocal, scaled copy

• new picture, reciprocal

Desmond measured a city park and made a scale drawing. The scale he used was 1 centimeter : 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

• 6 cm

• 486 cm

• 9 cm

• 54 cm

Tags

CCSS.7.G.A.1