In figure, if ∠BAC =90° and AD⊥BC. Then,

Question:

In figure, if ∠BAC =90° and AD⊥BC. Then,

(a) BD.CD = BC²                        

(b) AB.AC = BC²                       

(c) BD.CD=AD²                         

(d) AB.AC =AD²

Solution:

(c) In ΔADB and ΔADC,

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