1. How many angles does a quadrilateral have?
Answer:
Explanation:
By definition, a quadrilateral is a polygon with four angles.
2. The sum of the angles of a quadrilateral is:
Answer:
Explanation:
The sum of all interior angles of a quadrilateral is always 360°.
3. A quadrilateral with opposite sides parallel is called:
Answer:
Explanation:
A parallelogram has both pairs of opposite sides parallel.
4. Which of the following is not a property of a rectangle?
Answer:
Explanation:
Only a square has all sides equal, not a rectangle.
5. A square is a type of:
Answer:
Explanation:
A square is a special type of rhombus where all angles are 90°.
6. Which quadrilateral has only one pair of opposite sides parallel?
Answer:
Explanation:
A trapezium is defined by having only one pair of opposite sides parallel.
7. In a parallelogram, if one angle is 60°, the opposite angle is:
Answer:
Explanation:
In a parallelogram, opposite angles are equal.
8. A rhombus with all angles equal to 90° is called:
Answer:
Explanation:
A square is a special type of rhombus with all angles measuring 90°.
9. The diagonals of a rectangle are:
Answer:
Explanation:
The diagonals of a rectangle are equal in length and bisect each other.
10. Which of the following quadrilaterals has diagonals that are perpendicular bisectors of each other?
Answer:
Explanation:
In a rhombus, the diagonals are perpendicular bisectors of each other.
11. Which quadrilateral has one pair of adjacent sides equal?
Answer:
Explanation:
A kite is defined by having two pairs of adjacent sides equal.
12. In a square, the diagonals:
Answer:
Explanation:
In a square, the diagonals have all three mentioned properties.
13. A parallelogram with all sides equal is:
Answer:
Explanation:
A rhombus is a parallelogram with all sides equal.
14. The sum of adjacent angles in a parallelogram is:
Answer:
Explanation:
Adjacent angles of a parallelogram are supplementary.
15. A quadrilateral with two pairs of equal adjacent sides is:
Answer:
Explanation:
A kite has two pairs of equal adjacent sides.
16. Which of the following cannot be a property of a trapezium?
Answer:
Explanation:
A trapezium doesn't necessarily have opposite angles equal.
17. The diagonals of a kite:
Answer:
Explanation:
The diagonals of a kite are always perpendicular to each other.
18. In which quadrilateral are the opposite angles supplementary?
Answer:
Explanation:
In a parallelogram (not listed in options), opposite angles are supplementary.
19. Which of the following is not a quadrilateral?
Answer:
Explanation:
A triangle has three sides, while a quadrilateral has four.
20. Which quadrilateral has both pairs of opposite sides equal and diagonals that bisect each other?
Answer:
Explanation:
A parallelogram satisfies both given conditions.