53.3333
18 inches.
There are 12 inches in one foot, so 18 feet is equal to 18 x 12 inches, which is 216 inches.
18 inches of mercury
L x W x H = volume. So 18 x 5 x 6 = 540 square inches.
53.3333
18 inches.
A cubit is generally considered to be about 18 inches.
4.572 cm
2.25 square feet.
There are 12 inches in one foot, so 18 feet is equal to 18 x 12 inches, which is 216 inches.
(18.5 feet) minus (18 inches) = 17 feet
18 inches of mercury
12 inches x 18 inches. This equals 216 square inches.
L x W x H = volume. So 18 x 5 x 6 = 540 square inches.
7.08 inches
216/12 equals 18 feet.