Find the area. HELP PLEASE!!!!!

Answer: 4320
Step-by-step explanation: 18 times 12 times 20 is equal to 4320. Hope this help!
Answer:
300 sq. ft.
Step-by-step explanation:
Area = Area(1) x 2
Area(1) = 1/2 (30) (10)
= 150 sq. ft.
Area = 150 x 2
= 300 sq. ft.