1.

Let A(3,-4) B(9,-4) C (5,-7) and D(7,-7).Show that ABCD is a trapezium

Answer»

A(3,-4); B(9, -4)=(12, 16),B(9,-4)C(5,-7)=(14,,11); C(5,-7)D(7,-7); CD(12, 14) DA(7,-7)(3,-4)=(10,11)



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