A ruler.
What measure of units would you use to measure the thickness of a phone book
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.
To find the area of a book cover in metric units, the most appropriate unit to use would be centimeters. The formula for finding the area of a book cover would be: length x width.
Use a ruler.
Millimetres
Inches or centimeters
meter
A ruler
Millimeters or centimeters.
meters2
one page of a phonebook is measured in mm. unit thickness of a phone book is cm
micometer screw gauge