The broken line has 4 links. The length of each link is 9 cm. What is the length of the entire polyline?

If a polyline consists of 4 equal links, then its length is 4 times the length of one link. Then we find the length of the polyline, if it is known that one link is 9 cm:
9 cm * 4 links = 36 centimeters.
Answer: the length of the entire polyline is 36 centimeters.

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