Rectangular, rectangular ... is a panel with 4 sides 4 corners. Kind of a square divided into six types. 1.1. rectangle is a quadrilateral with all angles right angles. 1.2. Rectangle is a rectangle With opposite sides of equal length. But the adjacent unequal length. 1.3. The square is a rectangle with all corners are right angles to the four sides of equal length. 1.4. A parallelogram is a quadrilateral whose angles are right angles. With opposite sides of equal length. And two pairs of parallel 1.5. Rhombus is a quadrilateral with four sides of equal length. However, each corner is a right angle. 1.6. Trapezoid is a quadrilateral with sides parallel. Single pair
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