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08-05-2021
Mathematics

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If a rectangle with dimensions 14cm X 20cm is reduced by a scale factor of 2.5, what would be the measure of the new perimeter?

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08-05-2021

Answer:

27.2 cm

Step-by-step explanation:

14 cm / 2.5 = 5.6 cm, and

20 cm / 2.5 = 8 cm.

Then the new perimeter would be P = 2L + 2W, or, in this case:

P = 2(8 cm) + 2(5.6 cm) = 27.2 cm

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