wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

ACB = 90 and CDAB. Prove that BC2AC2 = BDAD

Open in App
Solution

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


flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon