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Math Help - [SOLVED] Transformations and Congruence :S

  1. #1
    Collapsible
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    [SOLVED] Transformations and Congruence :S

    Hey,
    i'm new to this forum so sorry if i do anything wrong,
    and you guys are probably like maths geniuses so i probably seem very dumb but i'm stuck on my homework.

    The question is:

    ---------------------------------------------------------

    The diagram shows part of a shape.
    The shape has rotational symmetry of order 2 about x.

    a. Copy and complete the shape, and name it.
    b. Show how the completed shape will tessellate.

    ---------------------------------------------------------

    I've tried to draw the diagram as best as i could on paint, It's in an attachment.

    I understand the questions, but not,
    'The shape has rotational symmetry of order 2 about x'

    Do they mean spin the triangle around on the point of x and it has 2 rotational symmetries?

    If so, how can i complete the shape?
    Attached Thumbnails Attached Thumbnails [SOLVED] Transformations and Congruence :S-maths.bmp  
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  2. #2
    Super Member
    earboth's Avatar
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    Quote Originally Posted by Collapsible View Post
    ...

    I understand the questions, but not,
    'The shape has rotational symmetry of order 2 about x'

    ...
    Have a look here: Rotational Symmetry
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