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August 31st, 2018, 12:18 AM   #1
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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 02:53 AM.
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August 31st, 2018, 02:59 AM   #2
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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?
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