Vocab
a figure in which every length in the original figure is increased or decreased by the same scale factor.
What is a Scaled Copy
1:2
3:6
What is 3
What is 12
This is true about angles in scaled copies
What is "The Angles Stay the Same!"
The height of a building that measures 3 inches in a scaled drawing
1 in = 11 ft
What is 33 inches
A whole number with no dangly bits
What is an integer
12:3
72:18
What is 6
The number of centimeters in a meter
What is 100
What happens if the scale factors is greater than 1
The copy is going to be bigger than the original
The length of an airplane measuring 12 cm in a scaled drawing
2 cm=6 ft
How long is the airplane IRL
What is 36 ft
The amount by which every length in an original figure is multiplied to make a scaled copy
What is a scale factor
12:3
4:1
What is 1/3
The number of meters in a kilometer
What is 1000
These two mathematical operations are the only ones used when making scaled copies
(+,-,*,/)
What is multiplication and division
The height of a drawing of the Eiffel Tower (1,000 ft tall)
2 in = 100 ft
How tall is the drawing?
What is 20 inches
The matching parts in a scaled copy
What are corresponding parts
45:144
5:16
What is 1/9
The number of inches in a yard
What is 36
When creating a scaled copy, if a single side is increased by a specific scale factor, this happens to all the other sides
They all increase by the same scale factor
1.5 : 6
2 : ____
What is 8
A shape or drawing that is about to be scaled (either bigger or smaller)
What is an original figure
72:4
180:10
What is 2.5
The number of centimeters in a kilometer
What is 100,000
When only one unit is given in a set of ratios, this is true for all four numbers
They have the same unit
10 : 27.5
4 : ____
What is 11