Mathematics for IGCSE & O level - Mensuration (Section 5)

  • 1
    What is the area of a rectangle that has a length of 9 cm and a width of 5 cm?
    คำตอบ
    (A)
    45 cm²
  • 2
    Which shape has the formula: 1/2 * (a+b) * h ?
    คำตอบ
    (C)
    Trapezium
  • 3
    The area of a trapezium is equal to half the sum of the parallel sides multiplied by the height. Which is the correct formula?
    คำตอบ
    (A)
    1/2(a + b)h
  • 4
    Which of these is a 3D shape?
    คำตอบ
    C
    D
  • 5
    If a circle has a radius of 3.5 cm, what is its area?
    คำตอบ
    (A)
    38.5 cm²
  • 6
    Which of the following must be known to calculate the area of a circle?
    คำตอบ
    A
    B
  • 7
    What properties are needed to compute the volume of a cylinder?
    คำตอบ
    A
    C
    D
  • 8
    A parallelogram has a base of 7 cm and a height of 9 cm. What is its area?
    คำตอบ
    (C)
    63 cm²
  • 9
    A cylinder has a volume of 300 cm³ and a radius of 3 cm. What is its height?
    คำตอบ
    (B)
    15 cm
  • 10
    How does the volume of a cube change if you double its side length?
    คำตอบ
    (C)
    It increases by a factor of 8
  • 11
    What does the height of a parallelogram always form with its base?
    คำตอบ
    (C)
    A right angle
  • 12
    What is the formula for the area of a trapezium?
    คำตอบ
    (C)
    1/2 x (a + b) x height
  • 13
    What is the area of a square with a side length of 6 cm?
    คำตอบ
    (C)
    36 cm²
  • 14
    The surface area of a hemisphere is 9π cm². Calculate its radius.
    คำตอบ
    (A)
    3 cm
  • 15
    What are the units used to measure the volume of a solid?
    คำตอบ
    (B)
    Cubic meters
  • 16
    What is the formula for calculating the curved surface area of a cone?
    คำตอบ
    (B)
    πrl
  • 17
    What is the formula for calculating the surface area of a sphere?
    คำตอบ
    (C)
    4πr²
  • 18
    The perimeter of a rectangle is 30cm and its length is 9cm. What is its width?
    คำตอบ
    (B)
    6 cm
  • 19
    What shape is made if you cut a parallelogram along its diagonal?
    คำตอบ
    (A)
    Triangle
  • 20
    A triangle has an area of 15 cm² and a base of 5 cm. What is the height of the triangle?
    คำตอบ
    (B)
    6 cm
  • 21
    How is the area of a circle determined?
    คำตอบ
    (B)
    A = πr²
  • 22
    If a cylinder has a diameter of 4 cm and a height of 5 cm, what is its volume?
    คำตอบ
    (B)
    125.6 cm³
  • 23
    A sphere has a surface area of 1274 cm². Calculate the radius.
    คำตอบ
    (A)
    10 cm
  • 24
    A cylinder and a cone each have base radius 5cm. The cone and the cylinder both have the same volume. Find the height of the cone.
    คำตอบ
    (A)
    3 cm
  • 25
    What is the formula for calculating the volume of a cone?
    คำตอบ
    (B)
    1/3 πr²h
  • 26
    If the base of a parallelogram is doubled and the height stays the same, how does the area change?
    คำตอบ
    (B)
    The area doubles
  • 27
    A triangle has a base of 12cm and a height of 7cm. What is the area?
    คำตอบ
    (A)
    42 cm²
  • 28
    What is the formula to find the area of a triangle?
    คำตอบ
    (B)
    Area = 1/2 * base * height
  • 29
    A farmer wants to enclose a rectangular field with a length of 60 meters and a width of 40 meters with fencing. How much fencing does he need?
    คำตอบ
    (B)
    200 meters
  • 30
    A parallelogram has a base of 5 cm and a height of 10 cm. What is its area?
    คำตอบ
    (C)
    50 cm²
  • 31
    Which of these shapes have opposite sides that are parallel?
    คำตอบ
    B
    C
  • 32
    Which of the following formulas correctly expresses the area of a rectangle?
    คำตอบ
    (C)
    Area = Length * Width
  • 33
    If you know the area of a rectangle and the length, how do you find the width?
    คำตอบ
    (B)
    Divide the area by the length.
  • 34
    A sphere has a surface area of 1274 cm². Calculate the radius.
    คำตอบ
    (A)
    10 cm
  • 35
    Which of the following is required to calculate the area of a triangle?
    คำตอบ
    A
    C
  • 36
    Calculate the total surface area of a solid hemisphere with radius 7.1 cm and diameter 4.7 cm.
    คำตอบ
    (A)
    475 cm²
  • 37
    Which of the following are needed to calculate the area of a parallelogram?
    คำตอบ
    A
    C
  • 38
    What must be known to calculate the area of a parallelogram?
    คำตอบ
    A
    B
  • 39
    The volume of a cylinder is 300π cm³ and the radius is 5cm. Find the height.
    คำตอบ
    (A)
    12 cm
  • 40
    If you know the volume of a cube, what can you calculate?
    คำตอบ
    A
    B
    D
  • 41
    For which shape do you need to know the base and the height to calculate its area?
    คำตอบ
    A
    C
  • 42
    What is the area of a triangle with a base of 14 cm and a height of 7 cm?
    คำตอบ
    (B)
    49 cm²
  • 43
    Which of the following formulas are used to determine the area of a shape?
    คำตอบ
    A
    C
  • 44
    A sphere has a surface area of 1274 cm². Calculate its radius.
    คำตอบ
    (A)
    10 cm
  • 45
    What is the area of a rectangle with a length of 12 cm and a width of 5 cm?
    คำตอบ
    (C)
    60 cm²
  • 46
    Find the volume of a sphere of radius 6 cm.
    คำตอบ
    (B)
    904.3 cm³
  • 47
    If a triangle has a base of 8 cm and a perpendicular height of 6 cm, what is its area?
    คำตอบ
    (A)
    24 cm²
  • 48
    What is the relationship between the area and the perimeter of a square?
    คำตอบ
    (C)
    The area is proportional to the perimeter.
  • 49
    The volume of a cylindrical tank is 600 m³. Its height is 6.5 m. Calculate the radius of its base.
    คำตอบ
    (A)
    4.9 m
  • 50
    If a prism has a triangular cross-section, what is its volume calculated from?
    คำตอบ
    (A)
    Area of the triangle multiplied by the length