Vocabulary
Equivalent Ratios
What's the scale?
X=
What is the Scale Factor
100
Two sides that are in the same place on both an original figure and a scale drawing are called ______________ sides.
What is "corresponding"
100
1 : 4 and ____ : 12
What is "3"
100
The scale factor from triangle DEF to triangle D'E'F is?
What is "1.5 cm"
100
The value of the unknown side length of x is?
What is "x=2.5"
100
Original Figure: 7 inches by 14 inches
Scaled Copy: 21 inches by 42 inches
What is "3"
200
The number you multiply side lengths by to make a similar figure
What is "scale factor"
200
5 : 10 and 15 : ____
What is "30"
200
The scale factor from triangle NQB to N'Q'B' is?
What is "1.25cm"
200
The value of the unknown side length x is?
What is "x=7"
200
Original figure: 2 inches by 6 inches
Scaled figure: 18 inches by 54 inches
What is 9
300
A set of two or more transformations applied to a figure
What is "sequence of transformations"
300
3 : 7 and 30 : ____
What is "70"
300
The scale factor from triangle NPW to triangle N'P'W is?
What is "1/4cm"
300
The value of the unknown side length is?
What is "?=20"
300
Rectangle A: 5 inches by 25 inches
Rectangle B: 1 inch by 5 inches
What is 1/5
400
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"
400
9 : 3 and 36 : ____
What is "12"
400
If point A is (3,2) and point A' is (27,18), what is the scale factor?
What is "9"
400
The value of the unknown side length is?
What is "?=7.2"
400
Rectangle A: 24 inches by 48 inches
Rectangle B: 72 inches by 144 inches
What is 3
500
An equation where two ratios are equal
What is "proportion"
500
___ : 8 and 25 : 20
What is "10"
500
If point B is at (3,6) and point B' is at (4.5, 9), what is the scale factor?
What is "3/2"
500
x/5=150/30
What is "25"
500
Rectangle A: 9 inches by 24 inches
Rectangle B: 3 inches by 8 inches
What is "1/3"