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If a ∆ ABC, AD is the bisector of ∠A, meeting side BC at D.(i) If BD = 2.5 cm, AB = 5 cm and AC = 4.2 cm, find DC.(ii) If BD = 2 cm, AB = 5 cm and DC = 3 cm, find AC.(iii) If AB = 3.5 cm, AC = 4.2 cm and DC = 2.8 cm, find BD.(iv) If AB = 10 cm, AC = 14 cm and BC = 6 cm, find BD and DC.(v) If AC = 4.2 cm, DC = 6 cm and BC = 10 cm. find AB.(vi) If AB = 5.6 cm, AC = 6 cm and DC = 3 cm, find BC.(vii) If AD = 5.6 cm, BC = 6 cm and BD = 3.2 cm, find AC.(viii) If AB = 10 cm, AC = 6 cm and BC = 12 cm, find BD and DC. |
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Answer» If a ∆ ABC, AD is the bisector of ∠A, meeting side BC at D. (i) If BD = 2.5 cm, AB = 5 cm and AC = 4.2 cm, find DC. (ii) If BD = 2 cm, AB = 5 cm and DC = 3 cm, find AC. (iii) If AB = 3.5 cm, AC = 4.2 cm and DC = 2.8 cm, find BD. (iv) If AB = 10 cm, AC = 14 cm and BC = 6 cm, find BD and DC. (v) If AC = 4.2 cm, DC = 6 cm and BC = 10 cm. find AB. (vi) If AB = 5.6 cm, AC = 6 cm and DC = 3 cm, find BC. (vii) If AD = 5.6 cm, BC = 6 cm and BD = 3.2 cm, find AC. (viii) If AB = 10 cm, AC = 6 cm and BC = 12 cm, find BD and DC. |
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