How can you use the rods to measure a length of 14 cm?

The lengths of three rods are 6cm, 9cm, and 11cm. How can you see those rods to measure a length of 14cm? Show the process. 

---

You want to get a measurement of 14 cm.

Take the 9 cm rod and the 11 cm rod and stack them up, or add them together.
Then, subtract the 6cm rod.

9cm + 11cm - 6cm = 14cm

Ask Algebra House