1. WELCOME

2. PRESENTED BY
SANU.I
MATHEMATICS

4. CLOSED FIGURES OF FOUR
SIDES AND FOUR ANGLES ARE
CALLED QUADRILATERALS

5. RECTANGLE
 OPPOSITE SIDES ARE EQUAL AND PARALLEL
 ALL ANGLES ARE RIGHT ANGLES

6. SQUARE
 ALL SIDES ARE EQUAL
 ALL ANGLES ARE RIGHT ANGLES

7. PARALLELOGRAM
 OPPOSITE SIDES ARE EQUAL AND PARALLEL
 OPPOSITE ANGLES ARE EQUAL
 DIAGONALS BISECT EACH OTHER

8. RHOMBUS
 SIDES ARE EQUAL
 OPPOSITE SIDES ARE PARALLEL
 OPPOSITE ANGLES ARE EQUAL
 DIAGONALS BISECT EACH OTHER AND
MUTUALLY PERPENDICULAR

9. TRAPEZIUM
 ONE PAIR OF OPPOSITE SIDES ARE PARALLEL

10. ISOSCELES TRAPEZIUM
 ONE PAIR OFOPPOSITE SIDES ARE PARALLEL
 OPPOSITE SIDES WHICH ARE NOT PARALLEL
HAVE EQUAL LENGTH

11. THANK YOU