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Mathematics 9 Online
OpenStudy (yinshy):

Help!!!!!!!!!! will medal and fan!!!!!

OpenStudy (yinshy):

OpenStudy (john_es):

What do you think is the correct one?

OpenStudy (yinshy):

B

OpenStudy (john_es):

A reflection is like a mirror. There must be a line that is always the same. I think this is not the case.

OpenStudy (john_es):

Have you see where the number "7" and all its row goes after the transformation?

OpenStudy (john_es):

Ans, also you can check that there is only one number that remains in its old position. The number 4.

OpenStudy (john_es):

You can imagine a triangle whose vertices are 7, 4 and 5. Then you can check that there must be a rotation in order to go from position (a) to (b).

OpenStudy (yinshy):

hmmm C?

OpenStudy (john_es):

Perfect!

OpenStudy (yinshy):

ty i have more

OpenStudy (john_es):

Ask what you need :)

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