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Mathematics 9 Online
OpenStudy (anonymous):

ABCDEFGH is a regular octagon. The minimum degree of rotation by which this octagon can map onto itself is (A)30 (B( 45 (C) 90 (D) 120 °. It will take (a) 2 (B) 4 (C) 6 (D) 8 increments of that degree of clockwise rotation for A′ (the image of A) to coincide with C.

OpenStudy (anonymous):

@rainbowswirl

OpenStudy (anonymous):

What is the interior angle for this , it is a full circle cut into 8 equal pieces.

OpenStudy (anonymous):

OpenStudy (anonymous):

@rainbowswirl

OpenStudy (anonymous):

This one doesn't make sense to me, let me ask @usercode3rror

OpenStudy (anonymous):

@meganbettis

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