Question

Is this definition of a rectangle reversible ? A rectangle is a parallelogram with 4 right angles

Answer 1

definitions are by default ... iff statements

Answer 2

A shape is a rectangle if and only if it is a parallelagram with 4 rt angles

Answer 3

no, since not all parallelograms with 4 right angles are rectangles.

can you think of another parallelogram with 4 right angles

Answer 4

youll notice that a square is a rectangle ....

Answer 5

It's says a parallelogram is a rectangle if and only it has 4 right angles that's for the "yes" choise

Answer 6

yeah, my bad. @amistre64

Answer 7

So yes or no?

Answer 8

yes, it is reversible.