The length of side U will be 41.2 cm. The length of side U is found by the sin law.
A triangle is a polygon that has three sides and three angles. The sum of the angle of the triangle is 180 degrees.
From the sin law;
[tex]\rm \frac{S}{sin \ 54^0} =\frac{U}{sin \ 68^0} \\\\ \rm \frac{36}{sin \ 54^0} =\frac{U}{sin \ 68^0} \\\\ U= \frac{36 \ sin \ 68^0}{sin \ 54^0} \\\\ U=41.2 \ cm[/tex]
Hence, The length of side U will be 41.2 cm.
To learn more about the triangle,refer to the link;
https://brainly.com/question/25813512
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