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ira [324]
3 years ago
6

If the the adj side of a triangle is x and the opp side is 9cm and the hyp is 2x what is the value of x?

Mathematics
1 answer:
Lady_Fox [76]3 years ago
5 0

Answer:

x = 3\sqrt{3}

Step-by-step explanation:

Let's use the Pythagorean theorem

x^{2}  + 9^{2}  =  (2x)^{2} \\x^{2}  + 81 = 4x^{2} \\3x^{2}  = 81\\x^{2}  = 27\\x = \sqrt{27}  =  3\sqrt{3}

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