Scale Factor
Vocabulary
Corresponding Sides & Angles
Reciprocals
100
What is the scale factor from the small fry to the large fry?
3
100
The number that one figure is multiplied by to make a scaled copy
Scale Factor
100
The side CB corresponds to the side ___
ZY
100
If the scale factor from the Black F to the Green F is 2, what is the scale factor from the Green F to the Black F?
1/2 (the reciprocal!)
200
What is the Scale Factor from triangle ABC to triangle DEF?
1/2
200
A figure that is the same shape, but may be a different size, than the original figure.
scaled copy
200
Point K corresponds with point _____.
Point E
200
The scale factor from triangle ABC to DEF is 3/2. What is the scale factor from triangle DEF to ABC?
2/3
300
Using the scale factor, what is the value of x?
scale factor: 4
x= 20
300
The "matching" sides, angles, or points on two scaled copies
corresponding sides/angles/points
300
The side AB corresponds to the side _______
XY
300
DOUBLE POINTS:
1. What is the scale factor from Figure 1 to Figure 2?
2. What is the scale factor from Figure 2 to Figure 1?
1. 3
2.
1/3
400
What is the Scale Factor from triangle DEF to triangle D'E'F'?
1.5cm
400
In a scaled copy, the _________ always stay the same.
angles
400
Which angle corresponds with ∠X?
∠E
500
If the scale factor is 4, what is the measurement of x?
24m