Question 985440

the length of QR is 4 mm, the length of PR is 3.5 mm and the size of angle PQR is 60°. What are the possible size(s) of angle QPR (to 2 decimal places)?
I already got one of the angles which is 81.79 degrees but whats the other one?
<pre>Other possible measure of angle QPR: {{{98.21^o}}}
Therefore, the possible measures of angle QPR are: {{{highlight_green(system(81.79^o_and,98.21^o))}}}
Thus, the triangle's possible angle measurements are:{{{system(60^o,81.79^o_and,38.21^o)}}}, OR {{{system(60^o,98.21^o_and,21.79^o)}}}