d) If the length of AC were twice the length of AB, what would be the value of 0? 20 in the adjoining figure; AB L BC, BDL DC, AB = 12 cm, BD = 3 cm, DC = 4 cm, ZBCD = 0 and ZBAC = 0. a) Find the length of BC. 12 cm b) Find the value of sin. 4 cm c) Find the length of AC. B d) If the length of BC were V3 times the length of AB, what would be the value of a? C​



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