Mathematics for IGCSE & O level - Mensuration (Section 13)

  • 1
    A circle has a radius of 2 cm. What is its area, rounded to two decimal places? (Use π ≈ 3.14)
    Хариулт
    (B)
    12.56 cm²
  • 2
    Which formula should be used to find the area of a minor segment?
    Хариулт
    (A)
    Area of a sector - Area of a triangle
  • 3
    How is the volume of a prism calculated?
    Хариулт
    (A)
    Area of cross-section x length
  • 4
    What is the angle at the center of the circle when using the arc length?
    Хариулт
    (A)
    Θ
  • 5
    A cylinder and a cone each have base radius 5.6cm. A cylinder is 6.2m high. Find its volume.
    Хариулт
    (B)
    610.7 cm³
  • 6
    A cylinder has a radius of 3 cm and a height of 10 cm. What is its volume? (use pi = 3.14)
    Хариулт
    (B)
    282.6 cm³
  • 7
    If the area of a rectangle is 35cm² and its width is 5cm, what is its length?
    Хариулт
    (A)
    7cm
  • 8
    How do you calculate the area of a composite shape made up of rectangles and triangles?
    Хариулт
    (C)
    Calculate the area of each individual shape and sum them.
  • 9
    What is the formula for the volume of a cone?
    Хариулт
    (D)
    1/3πr²h
  • 10
    Which shapes can be split to find the total area?
    Хариулт
    A
    B
    C
  • 11
    Calculate the volume of a prism. 10cm long with each of these cross sections: Rectangle 5cm x 3cm
    Хариулт
    (A)
    150 cm³
  • 12
    Calculate the total surface area of a solid hemisphere of radius 5cm.
    Хариулт
    (A)
    235.6 cm²
  • 13
    What does 'r' represent in the formula for the area of a circle (A = πr²)?
    Хариулт
    (C)
    Radius
  • 14
    What is the area of a square whose side is 4m?
    Хариулт
    (B)
    16 m²
  • 15
    Calculate the surface area of a solid hemisphere with base radius 7.1cm and slant height 9.7cm.
    Хариулт
    (B)
    363.5 cm²
  • 16
    Which of the following statements is/are true about the volume of a pyramid?
    Хариулт
    A
    B
    D
  • 17
    What is the formula for the area of a rectangle?
    Хариулт
    (C)
    length x width
  • 18
    If the radius of a circle is r, what is the formula for its circumference?
    Хариулт
    (B)
    2πr
  • 19
    A cone has a base radius of 5cm and a slant height of 13cm. Calculate the total surface area of the cone.
    Хариулт
    A
    B
    C
  • 20
    Which equation can be used to find the volume of a rectangular prism?
    Хариулт
    (A)
    V = l x w x h
  • 21
    What is the relationship between the volume of a cone and a cylinder with the same base radius and height?
    Хариулт
    (C)
    The volume of the cone is one-third the volume of the cylinder.
  • 22
    A circle has a circumference of 31.4 cm. What is its approximate diameter? (Use π ≈ 3.14)
    Хариулт
    (B)
    10 cm
  • 23
    Which formula(s) can be used to find the surface area of a sphere?
    Хариулт
    (B)
    4πr²
  • 24
    To find the area of a complex shape, it can be split into two __.
    Хариулт
    (C)
    Rectangles and/or triangles
  • 25
    Which of the following involves a formula using the base and height?
    Хариулт
    B
    C
    D
  • 26
    What must be known to calculate the volume of a rectangular prism?
    Хариулт
    A
    B
    C
  • 27
    What does π (pi) represent in geometric calculations?
    Хариулт
    (B)
    The ratio of a circle's circumference to its diameter
  • 28
    If a square has a side length of 5 cm, what is its perimeter?
    Хариулт
    (B)
    20 cm
  • 29
    Which of these is a composite shape?
    Хариулт
    (D)
    A shape made from combining a rectangle and a triangle
  • 30
    A room is 5m long and 4m wide. How much floor space does it cover?
    Хариулт
    (C)
    20 m²
  • 31
    Which of the following shapes is a prism?
    Хариулт
    (B)
    A cube
  • 32
    If a shape is made up of a rectangle and a triangle, how would you find its total area?
    Хариулт
    (C)
    Add the area of the rectangle and the area of the triangle.
  • 33
    What is the formula for the area of a parallelogram?
    Хариулт
    (B)
    A= base * height
  • 34
    A tower of a castle has walls in the form of a cylinder and a roof in the shape of a cone. The diameter of the tower is 5.6 m and the height of the wall is 12 m. The roof has a height of 6.2 m. What is the volume of the tower?
    Хариулт
    (A)
    234.7 m³
  • 35
    What is the formula to work out the perimeter of a sector?
    Хариулт
    (A)
    Arc length + 2r
  • 36
    If a sphere has a radius of 7cm, what is the formula for its surface area?
    Хариулт
    (B)
    4 * π * 7²
  • 37
    A solid hemisphere has a radius of 2 cm. What is its volume?
    Хариулт
    (D)
    25.13 cm³
  • 38
    If the cross section is a rectangle, what is the formula to find the area?
    Хариулт
    (A)
    Length x width
  • 39
    What is the formula for the volume of a prism?
    Хариулт
    (A)
    Area of cross-section * length
  • 40
    What is the formula for the area of a rectangle?
    Хариулт
    (A)
    Length x Width
  • 41
    If a hemisphere is half of a sphere, what is the formula for calculating its volume?
    Хариулт
    (B)
    2/3πr³
  • 42
    What is the formula for the circumference of a circle, given its diameter (d)?
    Хариулт
    (C)
    C = πd
  • 43
    If a circle has a diameter of 10cm, what is its area? (Use pi = 3.14)
    Хариулт
    (B)
    78.5 cm²
  • 44
    A rectangular garden is 12 meters long and has an area of 60 square meters. What is the width of the garden?
    Хариулт
    (A)
    5 m
  • 45
    A cone has slant height 7cm and curved surface area 68 cm². Calculate the total surface area of the cone.
    Хариулт
    (A)
    96.8 cm²
  • 46
    Which shapes are considered to be pyramids?
    Хариулт
    A
    B
    D
  • 47
    A box has a volume of 120 cm³. If its length is 6cm and its width is 5cm, what is its height?
    Хариулт
    (B)
    4cm
  • 48
    How is the height of a cylinder measured?
    Хариулт
    (B)
    The distance between the centers of the two circular bases.
  • 49
    A rectangle has a perimeter of 28cm and one side is 8cm. How long is the other side?
    Хариулт
    (B)
    6cm
  • 50
    Which units of measure are used for length, area, volume, and capacity?
    Хариулт
    (A)
    Meters, square meters, cubic meters, liters