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kcla1996 Group Title

HELP ME PLEASE.

  • 2 years ago
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  1. kcla1996 Group Title
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    Elsie is making a quilt using quilt blocks like the one in the diagram.

    • 2 years ago
  2. kcla1996 Group Title
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  3. kcla1996 Group Title
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    a. How many lines of symmetry are there? b. Does the quilt square have rotational symmetry? If so, what is the angle of rotation?

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  4. kcla1996 Group Title
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    is it 8 or 4 lines of symmetry?

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  5. Zekarias Group Title
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    10

    • 2 years ago
  6. gregohb Group Title
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    I think there are four lines of symmetry (y=0, y=x, x=0, y =-x) through the center. Only rotations of 90 degrees or multiples there off will be equivalent.

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  7. gregohb Group Title
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    I'm not sure how you define line of symmetry. If it reflection through the line that gives the same shape in the same position its 4, if its a reflection through one of the outer lines of the square, then the shape will look the same but be in a new position. So we need to see the exact definition. Normally when dealing a function and we talk about lines of symmetry we are talking about the first kind.

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  8. kcla1996 Group Title
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    http://www.mathsisfun.com/definitions/line-symmetry.html

    • 2 years ago
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