NO, you would not. Anything like that is commonly measured as an AREA
450 sq. ft
In square feet. Multiply the length by the width.
5000 ft2
40 x 14 = 560 square feet
cubic feet if a cube and square feet if a square shape
A metre.
A hygrometer is a tool you could use to measure humidity in your backyard. This device typically provides instant readings of the relative humidity levels in the air.
x2 + 13x
x2+13x
5,200 square feet (65 x 80 = 5,200).
There are no feet in two hundred cubic feet. That's like asking how many inches are in a gallon. Feet are a measure of length or distance. Cubic feet are a measure of volume. You can't measure volume in feet. And you can't measure distance in cubic feet.