2 types of scale factor problems

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Presentation transcript:

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

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

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

4:3 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

Width Length Perimeter Area Original Scale Drawing 1 3 8 3 𝑢𝑛𝑖𝑡𝑠 2 2 1 2 7 1 2 18 3 4 𝑢𝑛𝑖𝑡𝑠 2 20 12 75 4 25 ∙ 4 75 1 1 5 2 2 5 6 15 2 5 ∙ 2 15 2 5 3 1 75 4 ∙ 2 5 3 1 15 2 1 2 1 2 3 7 1 2 3 18 3 4 ∙ 2 15 ∙ 4 75 ∙ 2 5 Scale Factor 2:5