Millimeters or centimeters.
What measure of units would you use to measure the thickness of a phone book
one page of a phonebook is measured in mm. unit thickness of a phone book is cm
You would typically use inches to measure a paperback book. You can measure the length, width, and thickness of the book in inches to determine its size.
i think it is mm
9cmvmd
What is the most appropriate instrument to measure
You would use millimeters (mm) to measure the thickness of a house key, as it is a small unit appropriate for measuring such dimensions.
Mm
Millimetre for length, micrometre for thickness
The unit of measurement to measure the thickness of a DVD is typically expressed in millimeters.
The commonest convenient unit is the millimetre (mm), and they are around 1.2 mm thick.
You would typically use millimeters (mm) to measure the thickness of a coin. This unit is commonly used for measuring small distances or thicknesses.