FOUR-SIDED POLYGON WITH EXACTLY ONE PAIR OF PARALLEL SIDES

LINES THAT LIE IN THE SAME PLANE ,NEVER INTERSECT, AND ARE THE SAME DISTANCE APART.

4 CONGRUENT TRIANGLES WITH A BASE OF A SQUARE

A POLYGON WITH 3 SIDES, 3 ANGLES, AND 3 VERTICES

4 SIDED POLYGON WITH OPPOSITE SIDED

A POLYGON WIHT 6 SIDES,6 ANGLES AND 6VERTIES

4 SIDED POLYGON WITH ALL SIDES CONGRUENT & OPPOSITE SIDES PARALLEL .