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What is the surface area of a rectangle?
Surface areas are measured in square units, such as square inches, square feet, square meters, etc. To determine the surface area, first ensure you have the length and width of the rectangle expressed in the same units (both in inches, both in feet, etc.), then multiply the length by the width: 2 feet x 3 feet = 6 square feet
What is the surface area of a 3 ft cube?
54 square feet. A cube has 6 identical surfaces. A 3 ft cube has 6 surfaces each measuring 3ft x 3ft = 9 sq.ft. per surface. So 9 x 6 = 54 sq. ft. total surface area.
How do you find the edge length of a cube when you only have the surface area?
ok, so think about it. a cube has 6 sides. The surface area is the area of the surface of all 6 sides combined, so you divide the surface area by 6. This gives you the area of each square on each side. Then square root the answer because the area of a square is the side length squared. Now you have the edge length!
What is the surface area of a cube where a side measures 7.25 inches?
Surface area = 6*7.252 = 315.375 sq inches.
How many square inches of gift wrap will be needed to cover a box that is 4in x 6in x 2in In your final answer?
Surface area of box: (2*6*4)+(2*6*2)+(2*4*2) = 88 square inches of gift wrap will be needed
