In an equilateral triangle ABC, D is a point on side BC such that BD = BC.Prove that 9 AD2 = 7 AB2 Table of Contents<Select SpecificallySolutionProofLeave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Sign me up for the newsletter!
