To prove a polygon is a rectangle, which of the properties listed must be included in the proof?
all side lengths are equal.
diagonals are perpendicular bisectors.
opposite pairs of angles are supplementary
all interior angles are right angles.

What is the length of bc ? enter your answer in the box.bc =

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Which one is true about the hexagons ?