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Mathematics 14 Online
OpenStudy (anonymous):

Elsie is making a quilt using quilt blocks like the one in the diagram. a. How many lines of symmetry are there? b. Does the quilt square have rotational symmetry? If so, what is the angle of rotation?

OpenStudy (anonymous):

|dw:1356213790196:dw|

jimthompson5910 (jim_thompson5910):

what did you get for part a)?

OpenStudy (anonymous):

Rotational symmetry is how much do you have to rotate the shape before it looks the same as it did originally. With that, you have to rotate it 90 degrees before it looks the same

OpenStudy (anonymous):

I'm not sure how to do part a. but I did part b.

jimthompson5910 (jim_thompson5910):

what did you get for part b

jimthompson5910 (jim_thompson5910):

a line of symmetry is any line where you can fold the figure along the line and it will match up with itself so for instance, this is a line of symmetry |dw:1356214112031:dw|

OpenStudy (anonymous):

thank's!

jimthompson5910 (jim_thompson5910):

so how many lines of symmetry are there?

OpenStudy (anonymous):

|dw:1356214315169:dw|

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