Shape With 4 Right Angles, but Not 4 Equal Sides
Puzzle 18 of Justin Timberlake Piece of Cake Pack
Question is: Shape With 4 Right Angles, but Not 4 Equal Sides
and the answer is: RECTANGLE
Word Meaning:
RECTANGLE — (geometry) Any quadrilateral having opposing sides parallel and four right angles.
Definitions from Wiktionary.