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21-12-2018
Mathematics

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use the law of cosines to find each missing side

use the law of cosines to find each missing side class=

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Аноним Аноним

21-12-2018

Answer:

29.03 units

Step-by-step explanation:

x^2 = 10^2 + 19^2 - 2*19*20 cos 122

= 100 + 361 - 720 * -0.52992

= 842.54

x = 29.03

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