Fact 1: Atape measure is used to measure length.

Fact 2: All lengths shown are in inches.

Given the two facts above, answer the question "What is used to measure inches?" with the following options: 
- A Greek letter
 - encoded information
 - a granulated cylinder
 - a tape measure
 - an external framework
 - a barometer
 - a hydraulic system
 - a graduated cylinder


 

    a tape measure     