The perimeter x of an equilateral triangle with sides of length s is given by the formula

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The perimeter x of an equilateral triangle with sides of length s is given by the formula x = 3s.(a) Solve for s in terms of x.(b) The area y of an equilateral triangle with sides of length s is given by the formulaimageWrite y as a function of the perimeter x.(c) Use the composite function of part (b) to find the area of an equilateral triangle with perimeter 12.image

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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