 Ask Remember Me? vampirequeen Posts: 2, Reputation: 1 New Member #1 Jan 15, 2014, 08:12 PM
Given the points A(3,4),B(8,6),C(9,9), and D(4,7) prove ABCD is a parallelogram
The points are vertices of a quadrilateral vampirequeen Posts: 2, Reputation: 1 New Member #2 Jan 15, 2014, 08:16 PM
Given the points A(3,4),B(8,6),C(9,9), and D(4,7) prove ABCD is a parallelogram.The points are vertices of a quadrilateral. ebaines Posts: 12,130, Reputation: 1307 Expert #3 Jan 16, 2014, 10:11 AM
A parallelegram has 4 sides, with opposite sides that are parallel (i.e. same slope) and the same length. Given the corner points do you know how to determine what the lengths of the sides are, and their slopes?

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