Answer:
square feet
Explanation:
The area of a rectangle is the product of its dimensions. Here, the dimensions are given in feet, so the area computed using these dimensions will come out in square feet:
A = (8 ft)(10 ft) = 80 ft² . . . . . . . area is in units of square feet
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Paint coverage is often specified as some number of square feet per gallon, so these units are appropriate for this application.
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Elsewhere in the world, units of linear measure are often chosen to be centimeters or meters. For wall area, units of square meters are not uncommon. If Zoey were painting a wall where those units are more common, her area would be ...
(80 ft²)(.3048 m/ft)² ≈ 7.43 m² . . . . . in units of square meters