September 2018 1 41 Report
Tolong dijawab dengan caranya yaa,..
1. Diketahui pada segitiga ABC . AB=15 cm , besar sudut A = 60° , dan sudut C = 60° . Hitunglah keliling segitiga tsb !
2. Segitiga PQR sama kaki dengan PQ=QR . Hitunglahh panjang sisi PR jika keliling segitiga tsbut 40 cm dan panjang PQ = 12 cm
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