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in Co-ordinate Geometry by (46.9k points)
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Find the type of the quadrilateral if points A (-4, -2), B (-3, -7), C (3, -2) and D (2, 3) are joined serially.

1 Answer

+1 vote
by (47.6k points)
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Best answer

Slope of AB = slope of CD 

∴ line AB || line CD

slope of BC = Slope of AD

∴ line BC || line AD

Both the pairs of opposite sides of ∆ABCD are parallel.

\(\Box\)ABCD is a parallelogram. 

∴ The quadrilateral formed by joining the points A, B, C and D is a parallelogram.

by (20 points)
Tnxx for answer..

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