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Pablo folds a straw into a triangle with side lengths of 4x2 – 3 inches, 4x2 – 2 inches, and 4x2 – 1 inches. The perimeter of the triangle is 12x2 – 6 inches. If x = 1.5, what w…
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Pablo folds a straw into a triangle with side lengths of 4x2 – 3 inches, 4x2 – 2 inches, and 4x2 – 1 inches. The perimeter of the triangle is 12x2 – 6 inches. If x = 1.5, what w…
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Jan 14, 2017
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Pablo folds a straw into a triangle with side lengths of 4x2 – 3 inches, 4x2 – 2 inches, and 4x2 – 1 inches. The perimeter of the triangle is 12x2 – 6 inches. If x = 1.5, what was the length of the straw before it was folded?
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Enkhbat
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side 1 : 4x² - 3 inches
side 2 : 4x² - 2 inches
side 3 : 4x² - 1 inches
perimeter = 12x² - 6 inches
x = 1.5
12(1.5²) = 12(2.25) = 27 inches
I think the length of the straw before it was folded was 27 inches. - 6 inches is the fold of the straw.
Afonseca
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Jan 19, 2017
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