Question

Help me plz !
A quadrilateral ABCD has four right angles. The diagonals are perpendicular.
Based on the given properties of the quadrilateral ABCD, which of these is a valid conclusion?

A. Quadrilateral ABCD must be a square.
B. Quadrilateral ABCD must be a rectangle
C. Quadrilateral ABCD must be a square or a rectangle.
D. Quadrilateral ABCD must be a rectangle or a rhombus

Answer 1

i think its c

Answer 2

It is C because both a square and a rectangle have 4 right angles and a square has 4 equal sides so the diagonals are perpendicular and a rectangle has 2 equal sides (being the diagonals) making them perpendicular

Answer 3

thanks!