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sin R = QS/RQ
sin 30derajat=QS/8√3
1/2=QS/8√3
QS=4√3
Panjang RS=
tan Q = RS/QS
tan 60derajat = RS/QS
√3 = RS/4√3
RS= 12
Panjang PS=
tan P = RS/PS
tan 30 derajat=12/PS
1/3√3=12/PS
PS= 4√3