A rectangular picture measuring 12 inches by 18 inches is 216 square inches
A rectangle measuring 18 by 12 inches has an area of 216 square inches.
A rectangle measuring 12 inches by 8 inches has a perimeter of 40 inches, since 12 + 12 + 8 + 8 = 40 inches.
8" x 12" = 96 square inches
A measurement of area that is 144 square inches, most commonly 12 inches by 12 inches.
Its area is 13 times 12 = 156 square inches.
It is: 9 times 12 = 108 square inches
To get the area of a square (including rectangles), multiply side (12) x side (9), which equals 108 inches.
18.7013 US gallons.
12 inches in a foot, so 12:1 (12 to 1) obviously...
12*12 = 144 square inches
There are 12 inches to 1 foot, so the ratio is 12 to 1.
144 square inches.