surface area for a cube is
SA= 6a2
a2 is the area of one side
area is L X W
So the answer to your question is: 864 square inches.
SA= 6 X 122inches
SA= 6 X 144square inches
SA= 864 square inches
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6*12*12 = 864 square mm
A 12-inch circle has an area of about 113.1 square inches.
What is the surface area of a box whose length is 8, width is 3, and height is 4? This box has 6 faces: two rectangular faces are 8 by 4, two rectangular faces are 4 by 3, and two rectangular faces are 8 by 3. Adding the areas of all these faces, we get the surface area of the box: 8 × 4 + 8 × 4 + 4 × 3 + 4 × 3 + 8 × 3 + 8 × 3 = 32 + 32 + 12 + 12 +24 + 24= 136 A cube is a three-dimensional figure having six matching square sides. If L is the length of one of its sides, the volume of the cube is L3 = L × L × L. A cube has six square-shaped sides. The surface area of a cube is six times the area of one of these sides What is the volume and surface are of a cube having a side-length of 2.1 cm? Its volume would be 2.1 × 2.1 × 2.1 = 9.261 cubic centimeters. Its surface area would be 6 × 2.1 × 2.1 = 26.46 square centimeters
The surface area of a softball with a diameter of 12 is about 452.4 square units.
Area of a 14 inch pizza = 43.98in2. Area of a 12 inch pizza = 37.70in2. Difference between the two = 6.28in2.