Draw a broken line of four links, the length of which is 2 cm, 3 cm, 4 cm, 2 cm.

The first link is 2 cm.

The second link is equal to – 3 cm.

The third link is equal to 4 cm.

The fourth link is 2 cm.

Determine the length of the entire polyline.

To do this, add up the lengths of all polygonal lines.

2 + 3 + 4 + 2 = 11.

This means that the length of the entire polyline is 11 centimeters.

Answer: the length of the entire polyline is 11 cm.

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