Question

if the diagonal of a parallelogram are perpendicular to each other prove that it is a rhombus​

Answer 1

Answer:

THEOREM: If a parallelogram is a rhombus, each diagonal bisects a pair of opposite angles. THEOREM Converse: If a parallelogram has diagonals that bisect a pair of opposite angles, it is a rhombus. THEOREM: If a parallelogram is a rhombus, the diagonals are perpendicular.