∠ACB = 90∘ and CD⊥AB. Prove that BC2AC2 = BDAD
△ ACD ~ △ ABC
So, ACAB = ADAC
or, AC2 = AB.AD (1)
Similarly, Δ BCD ~ Δ BAC
So, BCBA = BDBC
or, BC2 = BA.BD (2)
Therefore, from (1) and (2),
BC2AC2 = BA.BDAB.AD = BDAD
In the given figure, ∠ACB=90o and CD⊥AB.
Prove that BC2AC2=BDAD.