Add all the sides. Write the expression, in the simplest form.
8cm, 8cm, 9x, 9x
![Add all the sides Write the expression in the simplest form 8cm 8cm 9x 9x class=](https://us-static.z-dn.net/files/d0f/d49066c1cfb49f16495e9445fe6d6c57.png)
Answer: 18x+16 cm
Step-by-step explanation:
Combine the like terms. 9x+9x = 18x and 8+8=16