Sagot :
Answer:
A regular decagon has 10 reflectional symmetries.
A regular decagon is a two-dimensional shape that has 10 sides of equal length
Reflectional symmetries that is contained in a regular decagon is 10.
What is a regular Decagon?
A regular decagon is a Two dimensional shape containing up to 10 equal sides of length.
Therefore a reflectional symmetries that is made up of a regular decagon would definitely contain 10 sides. So option C is correct.
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