6 sentences

1. 这个圆的半径是五厘米。

   zhè gè yuán de bàn​jìng shì wǔ lí​mǐ.

   The radius of this circle is five centimeters.

   Source: Dong Chinese Dictionary

2. 这个圆的直径是十厘米。

   zhè gè yuán de zhí​jìng shì shí lí​mǐ.

   The diameter of this circle is ten centimeters.

   Source: Dong Chinese Dictionary

3. 一厘米等于十毫米。

   yī lí​mǐ děng​yú shí háo​mǐ.

   One centimeter is equal to ten millimeters.

   Source: Dong Chinese Dictionary

4. 他比我高五厘米。

   tā bǐ wǒ gāo wǔ lí​mǐ.

   He is five centimeters taller than me.

   Source: Dong Chinese Dictionary

5. 这根圆柱体的直径正好是十厘米。

   zhè gēn yuán​zhù​tǐ de zhí jìng zhèng​hǎo shì shí lí​mǐ.

   The diameter of this cylinder is exactly ten centimeters.

   Source: Dong Chinese Dictionary

6. 他的胸围在过去一年的健身中增加了五厘米。

   tā de xiōng​wéi zài guò​qù yī nián de jiàn​shēn zhōng zēng​jiā le wǔ lí​mǐ.

   His chest circumference has increased by five centimeters during the past year of working out.

   Source: Dong Chinese Dictionary