Vocabulary
The multiplier used to change the shape's size
What is "scale factor"
1 : 4 and ____ : 12
What is "3"
Rectangle B: 7 in. by 10 in.
What is "yes"
The scale factor of a rectangle is 2. The original rectangle measures 3in by 5 in. What is the area of the scaled copy?
What is "60 square inches"
Original Figure: 7 inches by 14 inches
Scaled Copy: 21 inches by 42 inches
What is "3"
The number you multiply side lengths by to make a similar figure
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
two ratios with the same realtionship between numbers
What is "equivalent ratio"
3 : 7 and 30 : ____
What is "70"
Triangle A's base and height: 4, 6
Triangle B's base and height: 24, 12
What is "no"
The scale factor is 2. The sides of the scaled copy are all 2 times longer than the original. The area of the scaled copy is _____ times bigger than the original.
What is "4"
Rectangle A: 5 inches by 25 inches
Rectangle B: 1 inch by 5 inches
What is 1/5
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, or it will be reduced"
9 : 3 and 36 : ____
What is "12"
Rectangle A: 4 in. by 17 in.
Rectangle B: 6 in. by 25.5 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
The space inside a flat 2-dimensional shape
What is "area"
___ : 8 and 25 : 20
What is "10"
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"
The original figure has an area of 7. The scale factor is 2. The area of the scaled copy is ______.
What is "28"
Rectangle A: 9 inches by 24 inches
Rectangle B: 3 inches by 8 inches
What is "1/3"