Posted by B.B. on Sunday, September 6, 2009 at 12:11pm.
Describe all symmetries of an oval.
A) 4 lines of reflectional symmetry
B) 2 lines of reflectional symmetry, 180 degrees rotational symmetry.
C) 2 lines of reflectional symmetry.
D) 4 lines of relectional symmetry, 90 degrees rotational symmetry.
My answer is B) 2 lines of reflectional symmetry, 180 degrees rotational symmetry.
Thanks.

Math  bobpursley, Sunday, September 6, 2009 at 12:14pm
correct.
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