30 gmn ya caranya????????

<SQO = <QSO = 35°
<SQO + <QSO + <SOQ = 180°
35° + 35° + <SOQ = 180°
<SOQ = 180°-70° = 110°

<POQ = 180°-110°=70°
<PRQ = 70°/2 = 35° (sudut keliling POQ)

(((A)))