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Test for rectangle. If ABCD is a parallelogram and ?A = 90°,. then ABCD is a
rectangle. Test for rhombus. If all sides are equal,. then ABCD is a rhombus.
Test for rectangle. If ABCD is a parallelogram and ?A = 90°,. then ABCD is a
rectangle. Test for rhombus. If all sides are equal,. then ABCD is a rhombus.