Which of the following would be used to measure the length of a pencil?

a) centimeter
b) deciliter
c) kilogram
d) square centimeter

a) centimeter

Step-by-step explanation:

The following would be used to measure the length of a pencil - centimeter

Length is always measured in units like millimeter, centimeter or meter.

Deciliter is a unit to measure liquids.

Kilogram is a unit to measure weight of things.

Square centimeter is a unit that defines area. When two values with unit centimeter are multiplied, we get square centimeter or area.

So, the answer will be centimeter.