Solutions Calculation for a country or a rectangle has 4 entries with similar clues

• 4-letter words
• sideRectangle part
• 6-letter words
• oblongRectangle with adjacent side's unequal
• squareType of rectangle
• 13-letter words
• moebius-stripA surface with one continuous side formed by joining the ends of a rectangle after twisting one end through 180 degrees