1. 2 types of scale factor problems
Was a scale factor used?
If so, what is it?

2. 1:4 1 3 8 3 𝑢𝑛𝑖𝑡𝑠 2 4 12 32 48 𝑢𝑛𝑖𝑡𝑠 2 1 4 1 4 1 4 1 16 Scale Factor
Width
Length
Perimeter
Area
Original
Scale Drawing 1 3 8
3 𝑢𝑛𝑖𝑡𝑠 2 4 12 32
48 𝑢𝑛𝑖𝑡𝑠 2
1 4
1 4
1 4
1 16
Scale
Factor
1:4

3. 2:3 2 4 12 8 𝑢𝑛𝑖𝑡𝑠 2 3 6 18 18 𝑢𝑛𝑖𝑡𝑠 2 2 3 2 3 2 3 4 9 Scale Factor
Width
Length
Perimeter
Area
Original
Scale Drawing 2 4 12
8 𝑢𝑛𝑖𝑡𝑠 2 3 6 18
18 𝑢𝑛𝑖𝑡𝑠 2
2 3
2 3
2 3
4 9
Scale
Factor
2:3

4. 4:3 8 4 ? 16 𝑢𝑛𝑖𝑡𝑠 2 6 3 ? 9 𝑢𝑛𝑖𝑡𝑠 2 4 3 4 3 ? ? 16 9 Scale Factor
Base
Height
Perimeter
Area
Original
Scale Drawing 8 4 ?
16 𝑢𝑛𝑖𝑡𝑠 2 6 3 ?
9 𝑢𝑛𝑖𝑡𝑠 2
4 3
4 3
? ?
16 9
Scale
Factor
4:3

5. Width
Length
Perimeter
Area
Original
Scale Drawing 1 3 8
3 𝑢𝑛𝑖𝑡𝑠 2
2 1 2
7 1 2
𝑢𝑛𝑖𝑡𝑠 2 20
12 75
4 25
∙ 4 75
2 5
6 15
2 5
∙ 2 15
2 5
∙ 2 5
∙ 2 15
∙ 4 75
∙ 2 5
Scale
Factor
2:5