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Acute and Obtuse angles

Quiz by DoodleMaths Ages 4-16

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30 questions
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  • Q1
    How many acute angles does this shape have?
    Question Image
    3
    2
    0
    1
    30s
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  • Q2
    How many obtuse angles does this shape have?
    Question Image
    3
    0
    1
    2
    30s
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    Delete
  • Q3
    What kind of angle is this?
    Question Image
    right angle
    obtuse
    acute
    reflex
    30s
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    Delete
  • Q4
    True or false: an acute angle is less than 90 degrees.
    true
    false
    True or False
    30s
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    Delete
  • Q5
    Sort these shapes into ones which have at least one acute angle:
    Users sort answers between categories
    Sorting
    30s
    Edit
    Delete
  • Q6
    True or false: an obtuse angle is more than 90 degrees.
    true
    false
    True or False
    30s
    Edit
    Delete
  • Q7
    Link the shape to its best description:
    Users link answers
    Linking
    30s
    Edit
    Delete
  • Q8
    How many acute angles does this shape have?
    Question Image
    2
    3
    1
    0
    30s
    Edit
    Delete
  • Q9
    An obtuse angle is more than _ degrees?
    Users enter free text
    Type an Answer
    30s
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    Delete
  • Q10
    Which shapes contain at least one obtuse angle?
    Users sort answers between categories
    Sorting
    30s
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    Delete
  • Q11
    Which shape has acute angles?
    Answer Image
    Answer Image
    Answer Image
    Answer Image
    30s
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  • Q12
    How many obtuse angles does this shape have?
    Question Image
    Users enter free text
    Type an Answer
    30s
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    Delete
  • Q13
    Link each shape to its best description:
    Users link answers
    Linking
    30s
    Edit
    Delete
  • Q14
    An acute angle is less than _ degrees?
    Users enter free text
    Type an Answer
    30s
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  • Q15
    If an angle has 55 degrees, which type is it?
    obtuse
    acute
    reflex
    right
    30s
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  • Q16
    How many obtuse angles does this shape have?
    Question Image
    0
    4
    1
    3
    30s
    Edit
    Delete
  • Q17
    What kind of angle is this?
    Question Image
    right
    obtuse
    acute
    reflex
    30s
    Edit
    Delete
  • Q18
    Link the angle with its name:
    Users link answers
    Linking
    30s
    Edit
    Delete
  • Q19
    True or false: a triangle can have two obtuse angles.
    false
    true
    True or False
    30s
    Edit
    Delete
  • Q20
    If an angle has 110 degrees, which type is it?
    right
    obtuse
    reflex
    acute
    30s
    Edit
    Delete

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