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Quadrilaterals

Mathematics · Class 8 · All

MathematicsClass 8AllMedium
Q1/15
45s

If three angles of a quadrilateral are 80°, 90°, and 100°, what is the fourth angle?

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All 15 questions in this quiz
  1. Why is studying quadrilaterals important in mathematics?

    1. Quadrilaterals help understand shapes, angles, sides, area, perimeter, construction, and real-life designs.
    2. Quadrilaterals are used only for drawing pictures.
    3. Quadrilaterals have no practical applications.
    4. Quadrilaterals are only used in advanced mathematics.
  2. Which quadrilateral is also called a diamond shape?

    1. Rectangle
    2. Rhombus
    3. Square
    4. Trapezium
  3. If three angles of a quadrilateral are 80°, 90°, and 100°, what is the fourth angle?

    1. 70°
    2. 80°
    3. 90°
    4. 100°
  4. Which of the following is NOT a quadrilateral?

    1. Square
    2. Triangle
    3. Rectangle
    4. Rhombus
  5. Which quadrilateral has diagonals that are perpendicular bisectors of each other?

    1. Rectangle
    2. Rhombus
    3. Trapezium
    4. Parallelogram
  6. Which statement is true about the diagonals of a rectangle?

    1. They are always perpendicular
    2. They are equal in length
    3. They are unequal
    4. They never intersect
  7. How many diagonals does a quadrilateral have?

    1. 1
    2. 2
    3. 3
    4. 4
  8. Which quadrilateral has opposite sides parallel and equal?

    1. Parallelogram
    2. Kite
    3. Trapezium
    4. Pentagon
  9. A quadrilateral with exactly one pair of parallel sides is called:

    1. Rectangle
    2. Square
    3. Trapezium
    4. Rhombus
  10. Which quadrilateral has all sides equal but angles are not necessarily 90°?

    1. Square
    2. Rectangle
    3. Rhombus
    4. Trapezium
  11. Which quadrilateral has opposite sides equal and all angles equal to 90°?

    1. Rectangle
    2. Kite
    3. Rhombus
    4. Trapezium
  12. Which quadrilateral has all four sides equal and all angles equal to 90°?

    1. Rectangle
    2. Square
    3. Rhombus
    4. Trapezium
  13. What is the sum of the interior angles of a quadrilateral?

    1. 90°
    2. 180°
    3. 270°
    4. 360°
  14. How many sides and angles does a quadrilateral have?

    1. 3 sides and 3 angles
    2. 4 sides and 4 angles
    3. 5 sides and 5 angles
    4. 6 sides and 6 angles
  15. What is a quadrilateral?

    1. A polygon with three sides
    2. A polygon with four sides
    3. A polygon with five sides
    4. A polygon with six sides