Find the area of the shaded figure

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

The curved part of the figure is the semicircle what is the best approximation for the area of this figure

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?