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3 years ago

5

Kyleigh put a large rectangular sticker on her notebook. The height of the sticker measures 12 centimeters. The base is half as

long as the height.
What area of the notebook does the sticker cover?

1 answer:

saul85 [17]3 years ago

8 0

Height = 12 cm
Base/width —> half of height —> 12/2 = 6 cm

Area = length x width
Area —> 12x6 = 72

The sticker covers 72 cm of the notebook.

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Answer:

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Step-by-step explanation:

step 1

Find the scale factor

we know that

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Let

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x----> corresponding side of the larger trapezoid

y----> corresponding side of the smaller trapezoid

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we have

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substitute

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step 2

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we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

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we have

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substitute

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3 years ago

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