A rectangle has sides that are 1 cm and 2 cm long. If it is increased by a scale factor of 9, what will be the new area of the rectangle?

Question

A rectangle has sides that are 1 cm and 2 cm long. If it is increased by a scale factor of 9, what will be the new area of the rectangle?

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Ben Gia 2 weeks 2021-09-01T18:30:36+00:00 1 Answers 0 views 0

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    2021-09-01T18:32:30+00:00

    Answer:

    162cm^2

    Step-by-step explanation:

    The original sides are 1 and 2 centimeters, Increasing both by a factor of 9 results in 9 and 18 centimeters. We multiple to find the area is 162 square centimeters,

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )