Diagonal = 18*sqrt(2) = 18*1.414214 = 25.45584 feet
2.25 square feet.
The formula for finding the area of a rectangle is width multiplied by length. In this case, 12 feet by 18 feet is equal to 216 square feet.
Area is length x width. 12 x 18 = 216, so the shop has 216 square feet
18 and two thirds square yards
The answer is 270 square feet.
216 square feet (12 x 18 = 216)
288 square feet.
A circle with a diameter of 18 feet has an area of 254.5 square feet.
A 6 foot by 3 foot area would be 18 square feet.
18..
An 18-foot by 14-foot room comprises 23.4 (23.4115661) square meters.
234 square feet.
468 square foot
9 x 18 = 162 ft.2
Homework?! one square yard is 9 square feet, so 2 square yards is 18 square feet - 18 times greater than a square foot.
The question makes no sense. What on earth is a 18 foot square cube? Is it a cube each of whose faces is 18 square feet? Is it a cube each of whose edges is 18 feet - in which case why is the word "square" present?