how could you determine the amplitude of this wave?

how could you determine the amplitude of this wave?
Answer
Explanation:
Step1: Recall amplitude definition
Amplitude is the maximum displacement from equilibrium.
Step2: Identify equilibrium and max - displacement
In a wave, the still - water level is the equilibrium. The maximum displacement from the still - water level to the crest (or trough) is the amplitude. So, measure the vertical distance from the still - water level to the crest or from the still - water level to the trough.
Answer:
Measure the vertical distance from the still - water level to the crest or from the still - water level to the trough.