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# A rectangle has a width of 15 inches and a diagonal of 17 inches. Find the length of the rectangle in inches?

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- 8 months ago
It's 8 inches. Go here:

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- ComoLv 78 months ago
:-

L² = 17² - 15²

L² = (17 - 15) (17 + 15)

L² = 2 x 32

L² = 64

L = 8 inches

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- KrishnamurthyLv 78 months ago
A rectangle has a width of 15 inches and a diagonal of 17 inches.

The length of the rectangle: sqrt (17^2 - 15^2) = 8 inches

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- Donnie PorkoLv 78 months ago
8 inches. Know your right triangle triples. (3,4,5), (8,15,17), (5,12,13), (7,24,25).

Pythagorean theorem. For a right triangle: a^2 + b^2 = c^2 where a and b are the sides and c is the hypotenuse.

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- DEBSLv 78 months ago
A rectangle has right angles so we know that 15sqrd + Lsqrd = 17sqrd

so L = 17*17 - 15* 15

L = 8

- StarryskyLv 78 months agoReport
L*L = 17*17 - 15*15

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