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Mathematics 28 Online
OpenStudy (anonymous):

Which statement is true about the letter D? It has line symmetry only. It has rotational symmetry only. It has both line and rotational symmetry. It has neither line nor rotational symmetry.

OpenStudy (lgbasallote):

and letter D is...?

OpenStudy (anonymous):

the letter from the alphabet @lgbasallote .... "D" :)

OpenStudy (lgbasallote):

ohh it has one straight line and a semicircle

OpenStudy (anonymous):

lol

OpenStudy (lgbasallote):

lol so what's your answer here @miadeex ?

OpenStudy (anonymous):

C ?

jimthompson5910 (jim_thompson5910):

Can you rotate the letter D (less than 360 degrees) where it still looks like an upright "D"?

OpenStudy (lgbasallote):

rotational symmetry means if you rotate i , it always stays the same figure

OpenStudy (lgbasallote):

rotate it*

OpenStudy (lgbasallote):

for example |dw:1343346004131:dw|

OpenStudy (anonymous):

AAA

OpenStudy (anonymous):

no i thought it was that you can rotate it less than 360 degrees and it will along the way look like its orignal shape

OpenStudy (anonymous):

like the capital letter I

jimthompson5910 (jim_thompson5910):

no lgbasallote, the figure below |dw:1343346061193:dw| **It should be a square*** has rotational symmetry

jimthompson5910 (jim_thompson5910):

since you can rotate it 90 degrees and it will match up with the original figure

OpenStudy (anonymous):

|dw:1343346060668:dw|

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