L7/8 Unit 2 Scale - Scale Factor

Which side length on the scaled copy corresponds to the side length HJ on the original image?

• AB

• BC

• AC

What is the scale factor from ΔABC to ΔDEF?

• 1/2
• 7/3
• 2
• 10/3

• 0.25
• 0.5
• 2
• 1/2

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

• 21

• 1.25

• 20

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

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

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

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

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

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Amanda made a scale drawing of a square garden, which has a side length of 25 feet. She used the scale 2 inches = 5 feet.

What will be the area of the scale drawing?

• 10 in²
• 25 in²
• 100 in²
• 484 in²

Scale Factor of ½ is __________________ .

• Reduction
• Enlargement