In $11-22,$ solve each triangle, that is, find the measures of the remaining three parts of the triangle to the nearest integer or the nearest degree. In $\triangle P Q R, p=12, \mathrm{m} \angle Q=80,$ and $\mathrm{m} \angle R=30$
Added by Lawrence S.
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Step 1: Use the fact that the sum of angles in a triangle is 180 degrees to find angle P. Show more…
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