geometry
posted by vaishnavi .
i need help with this geometry prblem
my math book is online on this site:
w w w . k e y m a t h . com / D G 3
the class passcode is: 15744c524
The chapter is 0
Lesson 0.2
pg. 9
problem number 6
REMEMBER 4FOLD SYMMENTRY IS NEEDED !!!
URGENT !!!

The question requires 4fold rotational symmetry.
In a fan with 4 blades, it exhibits 4fold rotational symmetry. Each blade when turned 90° coincides with the next blade.
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