Question

Name a quadrilateral in which only opposite angles are equal and diagonals bisect each other at 90°.

Answer 1

Answer:

If two adjacent sides of a parallelogram are equal, then it is a rhombus. This test is often taken as the definition of a rhombus. A quadrilateral whose diagonals bisect each other at right angles is a rhombus.

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Answer 2

Answer:

If two adjacent sides of a parallelogram are equal, then it is a rhombus. This test is often taken as the definition of a rhombus. A quadrilateral whose diagonals bisect each other at right angles is a rhombus.