How to use "centimetres" in a sentence

To free my hand, I must remove a piece of rock over fifteen centimetres wide and seven centimetres deep

'I'm getting smaller and smaller!' After a short time, she was only 25 centimetres high.

'Seven centimetres is too small.'

'Seven centimetres is a very good size,' said the Caterpillar angrily

When she was 18 centimetres high, she walked to the house

In a short time she was about 60 centimetres high