Jawabanmu

2014-03-30T04:59:53+07:00
Panjang QS=
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