Ever-so-slightly before the third mark (assuming it measures by sixteenths) after 1 inch.
If you mean a polygon with equal exterior angles of 18 degrees then it will have 360/18 = 20 sides.
Answer: 18 square meters = 193.750 ft²
432 x 12 inch x 12 inch bricks for an area 18 feet x 24 feet
54
18 inches is equal to 1.5 feet.Therefore the area is 1.52 = 2.25 square feet.
One inch is equal to 25.4 millimetres. Therefore, 18 inches is equal to 25.4 x 18 = 457.2 millimetres.
One inch is equal to 0.0254 metres. Therefore, rounded to two decimal places, 18 metres is equal to 18 / 0.0254 = 708.66 inches.
216 inch pounds is equal to 18 foot pounds.
18
457.2 mm
One cubit is equal to 18 inches. There are 2.54 centimetres in one inch. Therefore, one cubit is equal to 18 x 2.54 = 45.72 centimetres.
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 2, 18/32 is equal to 9/16 or nine sixteenths.
The answer depends on the units used for 18 x 18. It should be quite obvious to anybody that the number of 18 inch x 18 inch tiles will be quite different from 18 cm x 18 cm tiles!
As a 18 sq ft room has area equal to 18*144=2592 sq inches, you need 2592/(18*18)=8 18 inch tiles.
There are 2.54 centimeters in an inch. That works out to 18 inches.
2.25 square feet.