Asked by Joyce
Diagram of a triangle PQR when QR is 14.5 <PQR=71 <QPR=57,find the lengthr of PR and PQ
Answers
Answered by
Reiny
the third angle R can easily be found to be 52°
then use the sine law.
I will one side, then you do the other.
PR/sin71 = 14.5/sin57°
PR = 14.5sin71/sin57 = appr. 16.3
then use the sine law.
I will one side, then you do the other.
PR/sin71 = 14.5/sin57°
PR = 14.5sin71/sin57 = appr. 16.3
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