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A of ABC is a right angle AD is perpendicular on...

This question belongs to Arithmetic Ability Triangles
Triangles
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∠A of ΔABC is a right angle. AD is perpendicular on BC. If BC = 14 and BD = 5 cm, then measure of AD is:

Answer & Solution
Correct Answer: Option B
Triangles mcq solution image
AD2 = BD × DC
AD2 = 5 × 9
AD = $$\sqrt {45} $$
AD = $$3\sqrt 5 $$  cm
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