Scale Factor 1
Scale Factor 2
Vocabulary
X =
Corresponding Sides & Angles
Scaled Copy
100
What is the scale factor from the small fry to the large fry?
3
100
What is the scale factor from Triangle A to Triangle B
9
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
A triangle has the side lengths of 2, 4, 7. Of the following, which side lengths below would create a scaled copy...
1, 2, 3 1.5, 3, 5.25 2.5, 5, 8.5
What is 1.5, 3, 5.25?
200
Using the scale factor, what is the value of x?
20
200
0.8
200
When the scale factor is greater than 1, then the drawing will be an ______________.
Enlargement
200
The value of the unknown side length x is ...
7
200
The side AB corresponds to the side _______
XY
200
A triangle has the side lengths of 8, 9, 15. Of the following, which side lengths below would create a scaled copy...
16, 18, 25 16, 15, 30 16, 18, 30
What is 6, 18, 30?
300
What is the Scale Factor from triangle DEF to triangle D'E'F'?
1.5
300
riangle A to B has a scale factor of?
3
300
Shapes that can become another after a scale, flip, slide or turn?
Similar Figure / Shape
300
The value of the unknown side length, ? is ...
?=20
300
Which angle corresponds with ∠X?
∠E
300
A triangle has the side lengths of 4, 5, 6. Of the following, which side lengths below would create a scaled copy...
1, 1.25, 7.5 5, 6.25, 7.5 2, 2.5, 3.25
What is 5, 6.25, 7.5?
400
What is the Scale Factor from triangle ABC to triangle DEF?
1/2
400
the bigger triangle is the scale of smaller triangle. find the missing height
x = 12
400
Tom multiplied the measurements of car by 0.0125 to produce a model. What type of scale is this?
Reduction
400
The value of the unknown side length ? is ...
? = 7.2
400
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
400
A triangle has the side lengths of 8, 12, 22. Of the following, which side lengths below would create a scaled copy...
4, 6, 11 6, 9, 16 12, 17, 30
What is 4, 6, 11?
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
he scale factor from triangle NPW to triangle N`P`W`is ...
What is 1/4?
500
The side lengths of similar shapes are said to be _______________.
Proportionate
or in proportion
500
Use the similar triangles below to find the height of the tree.
44ft
500
What are corresponding angles or side measures on the original compared to the scaled model are...?
the same (equivalent or equal)
500
Describe how you would determine if two shapes are similar if you only know the side lengths.
Check the ratios of corresponding side lengths between the shapes by dividing them.
If they produce the same ratio for each pair, then the shapes correspond.