Scale Factor
Vocabulary (1)
X =
Corresponding Sides & Angles
Vocabulary (2)
100
What is the scale factor from the small fry to the large fry?
3
100
What is the ratio of the length in a drawing (or model) to the length on the real thing?
Scale Factor
100
If the scale factor is 4, what is the measurement of x?
24m
100
The side CB corresponds to the side ___
ZY
100
What is how much something is per one unit of something else?
Unit Rate
200
Using the scale factor, what is the value of x?
20
200
What shows a real object with accurate sizes reduced or enlarged by a certain amount?
Scaled Drawing
200
The value of the unknown side length x is ...
7
200
The side XY corresponds to the side _______
AB
200
What is a word for two ratios (or fractions) that are equal?
Proportions / Proportional / In Proportion
300
What is the Scale Factor from triangle DEF to triangle D'E'F'?
1.5cm
300
What is a physical model which is geometrically similar to an object?
Scale Model
300
The value of the unknown side length, ? is ...
?=20
300
Which angle corresponds with ∠X?
∠E
300
When a shape is shifted, spun, mirrored or moved around a plane, we can say that the image is ____ relative to the original
Congruent
400
What is the Scale Factor from triangle ABC to triangle DEF?
1/2
400
Two or more ratios that have different numbers but express the same relationship between those quantities
Equivalent ratios
400
Use the similar triangles below to find the height of the tree.
44ft
400
Imagine there is a line segment running from Vertex E to Vertex G. What would be the equivalent line segment?
Line segment AC or CA
400
the fixed point of reference in a coordinate system where the axes intersect and all coordinates are zero
Origin
500
A flagpole and a model flag pole have a scale factor of 1 in.= 4 ft. If the model pole measures 12 inches, how tall is the pole in feet?
48ft
500
a fixed value, represented by 'k', that shows the constant ratio between two directly proportional quantities
(k = y/x)
Constant of Proportionality
500
The value of the unknown side length ? is ...
? = 7.2
500
Mr. Lloyd wants to build a doll house for his daughter that is proportional to their house. He measured the living room of his house and it is 12 ft by 16 feet. What will be the dimensions of the doll house living room if every foot of the actual house is equal to one half inch in the doll house?
6 inches by 8 inches
500
a connection between two variables where their ratio remains constant
Proportional Relationship