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 August 30th, 2018, 11:18 PM #1 Member   Joined: Aug 2018 From: Nigeria Posts: 43 Thanks: 2 Slopes&coordinates Guys, I need help to find coordinates of A given these slopes of lines: 1. AB=-2/5 2. AD=5/2 3. BC=5/2 4. DC=-2/5 IF ABCD IS A RECTANGLE Give me A coordinates Last edited by skipjack; August 31st, 2018 at 01:53 AM.
 August 31st, 2018, 01:59 AM #2 Global Moderator   Joined: Dec 2006 Posts: 19,701 Thanks: 1804 You would need further information. You earlier posted a problem where you were given the three equations below. 1. 3x - 7y - 25=0 (equation of AC) 2. 7x + 3y - 10 = 0 (equation of BD) 3. 2x + 5y - 7 = 0 (equation of CD) Those equations can be solved in pairs to find the coordinates of the points of intersection of the lines AC, BD and CD. For your current question, what further information are you given? Thanks from topsquark

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