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The number √2u-1, √2u+1 and 2√u are the side lengths of a triangle How many degrees are in the measure of the largest angle?

 Dec 24, 2021
 #1
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The largest angle will hve the largest opposite side

use cos rule      c^2 = a^2 + b^2 - 2ab cos

 Dec 24, 2021
 #2
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By the Cosine Law, the largest angle is 120 degrees.

 Dec 24, 2021

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