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16-01-2018
Mathematics

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Find the value of x. Give your answer in simplest radical form.

Find the value of x Give your answer in simplest radical form class=

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Аноним Аноним

16-01-2018

using the pythagoras theorem for a right-angled triangle:-

x^2 = 13*2 - 9^2 = 88

x = sqrt 88 = 2 sqrt 22

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