in ∆ABC , ∠B = 90° and BD ⊥ AC , if AC = 9cm and AD = 3cm then find the value of BD?
URGENT!
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Answer:
First apply the Cos45 in triangle BCD and by this find BC which is coming 3✓2
After it apply the Pythagoras theorem in triangle BCD and find BD as
DC=6cm=Base
BC=3✓2=Hypotenuse
BD=Perpendicular
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