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17-02-2021
Mathematics

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Find the perimeter of an equilateral triangle that has an attitude of 25 inches. Round your answer to the nearest 10

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sqdancefan sqdancefan

17-02-2021

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Answer:

86.6 inches

Step-by-step explanation:

The side length of an equilateral triangle is 2/√3 times the altitude. So, the perimeter is ...

P = 3s = 3(25)(2/√3) = 50√3 ≈ 86.6 . . . . inches

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