Oscar05 Oscar05

12-02-2018
Mathematics

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What is the value of x?

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Apocrophon Apocrophon

12-02-2018

The two triangles are similar, so the side lengths are similar:

11 * y = 121 + 11 = 132
10 * y = (5x + 10) + (10 * y)

y = 121 / 11 = 12

(10 * 11)= (5x + 10) + (10 * 11)

110 = 5x + 10 + 110

5x + 10 = 0

5x = -10

x = -10 / 5 = -2

x = -2

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