ΔABC is triangle, where ∠B is obtuse angle. AD is perpendicular on CB produced at D. If AB = 8 cm, BC = 7 cm and BD = 4 cm, then AC is equal to:

ΔABC is triangle, where ∠B is obtuse angle. AD is perpendicular on

1.	ΔABC is triangle, where ∠B is obtuse angle. AD is perpendicular on CB produced at D. If AB = 8 cm, BC = 7 cm and BD = 4 cm, then AC is equal to:
A.	15 cm
B.	13 cm
C.	14 cm
D.	12 cm
Answer» C. 14 cm

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ΔABC is triangle, where ∠B is obtuse angle. AD is perpendicular on CB produced at D. If AB = 8 cm, BC = 7 cm and BD = 4 cm, then AC is equal to:

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