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20-02-2018
Mathematics

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geometry help will give brainliest whats the answer my answer was wrong

geometry help will give brainliest whats the answer my answer was wrong class=

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20-02-2018

[tex] \frac{21}{x} = \frac{x}{6} [/tex]
x² = 21×6
x = [tex] \sqrt{3*7*2*3} = 3 \sqrt{2*7} = 3 \sqrt{14} [/tex]

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