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OpenStudy (jravenv):
Geometry help? screencap in comments medal awarded
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OpenStudy (jravenv):
OpenStudy (aravindg):
Do you know the definitions of linesymmetry and rotational symmetry?
OpenStudy (jravenv):
No, can you explain them?
OpenStudy (caozeyuan):
lien symmetry is symeetry about a line
OpenStudy (caozeyuan):
|dw:1448677235000:dw|
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OpenStudy (caozeyuan):
This one has two line symmtery
OpenStudy (jravenv):
Ohh that makes sense
OpenStudy (caozeyuan):
rotation symmetry is symmetry of rotation of certain angel less than 360
OpenStudy (caozeyuan):
again that rectangle has two rotation or one: cw 180 and ccw 180
OpenStudy (caozeyuan):
so for an object to be line and rotation symmetry, the answer is square becuase it is closed to a rectange
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OpenStudy (aravindg):
Well explained @caozeyuan
OpenStudy (caozeyuan):
@AravindG TBH, Ihave,nt touch geometry in over 5 years
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