Mathematics for IGCSE & O level - Geometrical Constructions (Section 3)

  • 1
    If the side lengths of the triangle are 5cm, 4cm, and 3cm, is it possible to create more than one triangle?
    Sagot
    (C)
    No, you can only make one.
  • 2
    In order to determine if an arrangement is the net of a cuboid, what needs to be assessed?
    Sagot
    A
    B
    C
  • 3
    Which of the following is a key advantage of drawing a sketch before beginning a geometric construction?
    Sagot
    (C)
    It clarifies the desired shape and dimensions
  • 4
    Which 2-D shape can make a cube?
    Sagot
    (A)
    A square
  • 5
    For a cuboid, how many edges does it have?
    Sagot
    (D)
    12
  • 6
    What is the number of vertices on a triangular prism?
    Sagot
    (C)
    6
  • 7
    Which of the following is essential when using a protractor?
    Sagot
    A
    B
    C
  • 8
    What type of angle is formed by a straight line?
    Sagot
    (D)
    Straight
  • 9
    How can you estimate the volume of a cuboid if you have its net drawn on a square grid?
    Sagot
    (B)
    Multiply the number of squares along the length, width, and height.
  • 10
    What is the sum of the interior angles of a triangle?
    Sagot
    (B)
    180°
  • 11
    In the context of measuring angles, a common error is:
    Sagot
    (A)
    Using the wrong scale on the protractor.
  • 12
    A triangle has angles of 60°, 60°, and 60°. What type of triangle is it?
    Sagot
    (C)
    Equilateral
  • 13
    Which 3D shapes can be made from nets?
    Sagot
    A
    B
    C
  • 14
    If you are asked to construct a triangle with sides of 5cm, 4cm and 3cm, how many triangles can you make?
    Sagot
    (B)
    One
  • 15
    When constructing a triangle, what is the advantage of sketching the triangle first?
    Sagot
    (C)
    It helps to understand the dimensions.
  • 16
    What is the relationship between the acute angle and the reflex angle?
    Sagot
    (C)
    They add up to 360°.
  • 17
    What information is needed to find the volume of a cuboid using its net?
    Sagot
    (A)
    The length, width, and height.
  • 18
    Which of the following is a key element when constructing a triangle given three sides using a compass?
    Sagot
    (A)
    Using a ruler for all lines.
  • 19
    What is the minimum number of rectangles that make up a cuboid?
    Sagot
    (D)
    6
  • 20
    Which of these shapes can you form using a net?
    Sagot
    B
    C
  • 21
    What is the key requirement for an angle to be classified as a reflex angle?
    Sagot
    (C)
    It must be between 180° and 360°.
  • 22
    What information is needed to find the area of the net, if a 3-D shape net is drawn on a one-centimeter square grid?
    Sagot
    A
    D
  • 23
    How does a semi-circular protractor differ from a full-circle protractor?
    Sagot
    (D)
    All of the above.
  • 24
    What is the purpose of a sketch when constructing a geometric figure?
    Sagot
    (C)
    To plan and visualize the construction.
  • 25
    Which angles are found in a triangle?
    Sagot
    A
    B
    D
  • 26
    Which of the following is a key step when measuring an angle with a protractor?
    Sagot
    A
    B
    D
  • 27
    What is needed to construct a triangle?
    Sagot
    A
    B
    D
  • 28
    How many faces does a cube have?
    Sagot
    (C)
    6
  • 29
    If you are unsure whether a net is correct, what is suggested?
    Sagot
    (B)
    Cut it out and try folding it.
  • 30
    Which of the following statements is/are true about nets?
    Sagot
    A
    B
    C
  • 31
    Which shape has six faces that are all squares?
    Sagot
    (B)
    Cube
  • 32
    In a net, how many faces would form a triangular prism?
    Sagot
    (C)
    5