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In ABC BAC = 90 and AD BC If BD =...

This question belongs to Arithmetic Ability Triangles
Triangles
?

In ΔABC, ∠BAC = 90° and AD ⊥ BC. If BD = 3 cm and CD = 4 cm, then length of AD is :

Answer & Solution
Correct Answer: Option A
Triangles mcq solution image
We know that,
AD2 = CD × BD
AD2 = 4 × 3
AD2 = 12
AD = $$2\sqrt 3 $$  cm
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