1. The cross-sectional area of each of three coldair ducts is 14 inches by 20 inches. What is…

1. The cross-sectional area of each of three coldair ducts
is 14 inches by 20 inches. What is the total area of the cold-air ducts in
square inches?

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2. What is the area of a triangle in square feet with a base
of 8 feet and a height of 14 feet?