MATEMATIK TAMBAHAN | MODUL LULUS 2021 | JPN KEDAH 5. Rajah di bawah menunjukkan dua buah segi tiga ABC dan ACD. The diagram below shows two triangles ABC dan ACD. B 8 cm 5 cm 30. C A 10 cm 12 cm Diberi AD = 12 cm, CD = 10 cm, AB = 8 cm, BC = 5 cm, BAC=30% dan kos LABC = =. Hitung Given that AD = 12 cm, CD = 10 cm, AB = 8 cm, BC = 5 cm, BAC=30%and cos LABC = = Calculate (a) panjang AC the length of AC ( b ) ZACD TP 3 6. Dengan menggunakan petua kosinus, cari nilai x dan nilai . By using the cosine rule, find the values of x and e