Determine the unknown side length of the golden rectangle with the given width length. w = 7, l = _____ a. 14.16 b. 3.24 c. 11.33 d. 4.33

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asked Jun 7, 2019 61.8k views

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Determine the unknown side length of the golden rectangle with the given width length. w = 7, l = _____ a. 14.16 b. 3.24 c. 11.33 d. 4.33

Mathematics
middle-school

Winston asked

by Winston

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since the rectangle is a golden one, then the fraction:

$(L)/(7)= frac{1+\sqrt5}{2}\text{ from which we get:}\\ l=7 (1+\sqrt5)/(2) =11.3$

The correct answer is D then

Diogocarmo answered Jun 12, 2019

by Diogocarmo

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