Question

Write the conditions under which a parallelogram becomes a rectangle

Answer 1

Answer:

the condition under which the parallelogram become a rectangle is that if and only if the two diagonals of the quadrilateral have equal length that is if the quadrilateral is and equidiagonals quadrilateral

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Answer 2

Answer:

only one condition be needed and that is,

one angle of parallelogram should be 90°.,

then all angles became 90°

by which it became's a rectangle