What is the length of a broken line of three links if the length of its first link is 2dm
| September 17, 2021 | education
What is the length of a broken line of three links if the length of its first link is 2dm, the second is 2dm 4cm and the third is 360mm?
Let’s translate the length of the third link into decimeters. There are 10 centimeters in one decimeter and 10 millimeters in one centimeter.
360: 10 = 36 cm = 3 dm and 6 cm
Add the lengths of all three links:
2 dm + 2 dm 4 cm + 3 dm 6 cm = 7 dm 10 cm.Since 10 cm = 1 dm, this is 8 dm.
Answer: 8 decimeters.
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