A greenhouse is shown below. It is 10 ft wide and 20 ft long and has a at roof that is 12 ft high at one corner and 10 ft high at each of the adjacent corners. Find the volume of the greenhouse. 
Definitions:
Labor Militancy
Labor Militancy refers to a more aggressive and confrontational approach within the labor movement, often involving strikes, protests, and other direct action tactics to secure workers' rights and demands.
Civil Liberties
Individual rights protected by law from governmental interference or restriction, including freedom of speech, assembly, and religion.
Labor Rights
The protections and entitlements of workers, including the right to safe working conditions, fair wages, and freedom from discrimination, established by law and labor unions.
Great Depression
A severe worldwide economic downturn that took place during the 1930s, marked by high unemployment, significant declines in output and the standard of living, and widespread poverty.
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