Vocabulary
What is "corresponding"
1 : 4 and ____ : 12
What is "3"
Rectangle B: 7 in. by 10 in.
What is "yes"
The scale factor is 2. The sides of the scale copy are all 2 times longer than the original, and the area is _____ times bigger.
What is "4"
Original Figure: 7 inches by 14 inches
Scaled Copy: 21 inches by 42 inches
What is "3"
What is "scale factor"
5 : 10 and 15 : ____
What is "30"
Rectangle A: 3 in. by 7 in.
Rectangle B: 9 in. by 28 in.
What is "no"
True or False: If the scale factor is 3, then the area of the scaled copy will be 6 times bigger than the original
What is "false"
Original figure: 2 inches by 6 inches
Scaled figure: 18 inches by 54 inches
What is 9
If the scale factor is less than 1 (example: 0.25) then this will happen to the scaled copy.
What is "it will be smaller"
3 : 7 and 30 : ____
What is "70"
Triangle A's angles: 60, 40, and 80
Triangle B's angles: 55, 30, and 95
What is "no"- the corresponding angles are all different
The original scale used to create a blueprint is 1cm = 10ft. This would happen to the size of the blueprint if a new scale of 1cm = 5 ft is used.
What is "becomes larger"
Rectangle A: 5 inches by 25 inches
Rectangle B: 1 inch by 5 inches
What is 1/5
The relationship between a measurement on a drawing and the corresponding measurement on the actual object
What is "scale"?
9 : 3 and 36 : ____
What is "12"
Rectangle A: 4 in. by 5 in.
Rectangle B: 6 in. by 7.5 in.
What is "yes"
The area of the original figure is 10. The scale factor is 2. The area of the scaled copy is _______.
What is "40"
Rectangle A: 24 inches by 48 inches
Rectangle B: 72 inches by 144 inches
What is 3
When a scale factor of 2 is used to go from one image to another, 1/2 can be used to go in the reverse direction. The term that describes these numbers is called... (Other example: 3 & 1/3
What are "reciprocals"
___ : 8 and 30 : 20
What is "12"
A house is 30 feet tall and 24 feet long. Drawing #1 is 15 inches tall and 11 inches long. Drawing #2 is 5 inches tall and 4 inches long. Which one is the scale drawing?
What is "Drawing #2"
A park is 80 meters long and 45 meters wide. The scale used to create a scale drawing is 1 unit = 5 meters. What are the dimensions of the scale drawing?
What is "16 by 9 units"?
Rectangle A: 9 inches by 24 inches
Rectangle B: 3 inches by 8 inches
What is "1/3"