In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is
1). 49 sq.cm
2). 36 sq.cm
3). 25 sq.cm
4). 24 sq.cm

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