Scale Factor
Vocabulary
X =
Corresponding Sides & Angles
X =
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
5
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 AB corresponds to the side _______
XY
200
What is the scale factor from Triangle A to Triangle B
9
300
What is the Scale Factor from triangle DEF to triangle D'E'F'?
1.5cm
300
The constant value (often written k) relating amounts that rise or fall uniformly together. It is the ratio of the amounts y and x: k=y/x
Constant of Proportionality
300
The value of the unknown side length, ? is ...
?=20
300
Which angle corresponds with ∠X?
∠E
300
0.8
400
What is the Scale Factor from triangle ABC to triangle DEF?
1/2
400
from blue to pink is considered a what when referring to scale factor?
a enlargement
400
The value of the unknown side length ? is ...
? = 7.2
400
15 corresponds to what number on triangle A?
5cm
400
Triangle A to B has a scale factor of?
3
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
from pink to blue as a scale factor is considered what?
a reduction
500
Use the similar triangles below to find the height of the tree.
44ft
500
10 corresponds to what number?
5
500
the bigger triangle is the scale of smaller triangle. find the missing height
x = 12