Answer:
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Step-by-step explanation:
Answer:
has only one endpoint
Step-by-step explanation:
think rays from the sun.
they start at the sun (a point) and go out in one direction for ever.
The circumference is defined to be c=2πr. where the circumference is equal to 2 times pi times the radius
Answer:
This rotational symmetry has 4 or more order .
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