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A triangle with an area of 10 ft² is dilated by a factor of 4.5. What is the area of the scaled image? Enter your answer, as a decimal, in the box. ft²
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A triangle with an area of 10 ft² is dilated by a factor of 4.5. What is the area of the scaled image? Enter your answer, as a decimal, in the box. ft²

User Pollaris
by
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1 Answer

5 votes

Answer:

202.5 ft²

Explanation:

The scale factor for area is the square of the scale factor for linear dimensions. Thus the scaled image will have an area of ...

(10 ft²)×4.5² = 202.5 ft²

User Denis Khay
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7.9k points
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