Answer:
B.
Plzzzzz give me Brainliest!
Answer:

Step-by-step explanation:





Answer:
10 sides.
Step-by-step explanation:
In geometry, a decagon is a ten-sided polygon or 10-gon. The total sum of the interior angles of a simple decagon is 1440°. A self-intersecting regular decagon is known as a decagram.
I think its A once again i THINK its A sorry if im wrong
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The gcf of 9 and 18 is 18