Question

a) the metric ruler for lengths a and b. a: cm b: cm

Explanation:

Step1: Read the value of A

Each small - division on the ruler represents 0.1 cm. Point A is at the 2.2 cm mark.

Step2: Read the value of B

Point B is at the 5.4 cm mark.

Answer:

A: 2.2 cm
B: 5.4 cm