ABCD-is-a-square-AC-is-a-diagonal-If-the-coordinate-of-A-C-are-5-8-and-7-4-Find-the-coordinate-of-B-and-D- Tinku Tara June 4, 2023 Geometry 0 Comments FacebookTweetPin Question Number 58984 by Tawa1 last updated on 02/May/19 ABCDisasquare,ACisadiagonal.IfthecoordinateofA,Care(−5,8)and(7,−4).FindthecoordinateofBandD. Answered by tanmay last updated on 02/May/19 ACeqn(y−8)=8+4−5−7(x+5)y−8=−x−5x+y=3→y=−x+3slopem=(−1)theeqnofstlinepassingthrough(−5,8)y−8=m1(x+5)theanglebetweenx+y=3and(y−8)=m1(x+5)is450tan45o=m1−(−1)1+m1(−1)m1+1=1−m1m1=0soeqnis(y−8)=0×(x+5)y=8←eqnofADtheeqn∥toy=8passingthrough(7,−4)isy=−4→eqnofBCsoeqnofABx=−5(eqnofCDisx=7soAB→x+5=0CDisx−7=0BCisy+4=0DAisy−8=0A(−5,8)B(−5,−4)C(7,−4)D(7,8) Commented by Tawa1 last updated on 02/May/19 GodblessyousirGodblessyousir Commented by tanmay last updated on 02/May/19 thankyou…thankyou… Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: Question-124517Next Next post: Question-58986 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.