A quadrilateral with one right angle must be a rectangle.

A. True

B. False

If the diagonals of a quadrilateral are perpendicular, then it is a rhombus. False - diagonals don't have to be congruent or bisect each other. The diagonals of a rectangle bisect its angles. A kite with all consecutive angles congruent must be a square. So this is a False

Hello there.

A quadrilateral with one right angle must be a rectangle.

B. False