Question
If in a right angle triangle ABC, Angle B is a right
angle. AB = 20 cm, BC= 21 cm if BD is perpendicular to AC find the length of BD?ÂSolution
From phythogoras triplets of (20,21,29), Here hypotenuse = 29 So BD = (base x height)/hypotenuse = 20 x (21/29) = 420/29 = 14.48 cm
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