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 Question from Kinza: Hi, my question is The perimeter of a triangle is reduced from 75cm to 20cm. What is the linear scale factor?

Hi Kinza,

The perimeter (a length) is reduced from 75 cm to 20 cm so the scale factor is $\large \frac{20}{75} \normalsize = \large \frac{4}{15}.$

Penny

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