Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

### High School Mathematics12.61 Quadrilaterals - Review

 1. A quadrilateral is a polygon with four sides. 2. A quadrilateral with a pair of opposite sides are parallel is called a trapezium. If the non-parallel sides of a trapezium are equal it is called an isosceles trapezium. 3. If ABCD is an isosceles trapezium in which AB // CD and AD = BC, the diagonals are equal AC = BD. Angles at the end of the parallel lines are equal. ÐA = ÐB and ÐC = ÐD. 4. If both the pairs of opposite sides of a quadrilateral are parallel, then it is called a parallelogram. In a parallelogram, i) Opposite sides are equal. ii) Opposite angles are equal. iii) The diagonals bisect each other. 5. A quadrilateral is a parallelogram if its sides are equal, (or) its opposite sides are equal, (or) its opposite angles are equal, (or) its diagonals bisect each other, (or) if one pair of opposite sides are parallel and equal. 6. A parallelogram with one of its angles a right angle is rectangle. 7. A parallelogram whose adjacent sides are equal is rhombus 8. A rectangle whose adjacent sides are equal is a square. 9. A rhombus with one angle a right angle is a square. 10. A square is both rhombus and rectangle. 11. In a rhombus: i) All sides are equal. ii) The diagonals are right bisectors of each other. ii) The diagonals bisect the angles at their ends. 12. In a rectangle: i) Opposite sides are equal. ii) All angles are equal and each 90°. iii) Diagonals are equal and bisect each other. 13. In a square: i) All sides are equal. ii) All angles are equal and each is 90°. iii) Diagonals are equal and are right bisectors of each other. iv) Diagonals bisect the angles at their ends. The angle between a side and a diagonal is 45°. Directions: Choose the correct answer.
 Q 1: A parallelogram is a trapezium.TrueFalse Q 2: All trapeziums are parallelograms.FalseTrue Q 3: If a pair of opposite sides of a quadrilateral are parallel. it is called _______.SquareTrapezium Q 4: All quadrilaterals are parallelogram.TrueFalse Q 5: Any two consecutive angles of a parallelogram are ______.complementaryacutesupplementryequal Q 6: The sum of the angles of a quadrilateral is ________.270°360°90°180° Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!