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The surface area of a cube can be found by multiplying the area of one face by the total number of faces. Since a cube has six faces that are all identical squares, the surface area of the cube would be:
6 x side length^2 = 6 x 11^2 = 6 x 121 = 726 m^2
Therefore, the surface area of the cube is 726 square meters.
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Find the surface area of a cube with sides measuring 11 meters.(1 point)
Responses
66 m2
66 m squared
726 m2
726 m squared
121 m2
121 m squared
132 m2
Cherese needs to buy some cardboard to build a box 10 inches long, 9 inches wide, and 7 inches high. If she purchases 500 square inches of cardboard, how much will be left over?(1 point)
Responses
54 in.2
54 in. squared
426 in.2
, 426 in. squared
406 in.2
, 406 in. squared
446 in.2
To find the surface area of the box, we need to find the area of each of the six sides and add them together.
Area of the bottom = length x width = 10 x 9 = 90 sq in
Area of the top = length x width = 10 x 9 = 90 sq in
Area of the front = width x height = 9 x 7 = 63 sq in
Area of the back = width x height = 9 x 7 = 63 sq in
Area of the left side = length x height = 10 x 7 = 70 sq in
Area of the right side = length x height = 10 x 7 = 70 sq in
Total surface area = 356 sq in
Cherese has 500 sq in of cardboard, but the box only requires 356 sq in, so she will have 500 - 356 = 144 sq in left over.
Therefore, she will have 144 square inches of cardboard left over.
Cherese needs to buy some cardboard to build a box 10 inches long, 9 inches wide, and 7 inches high. If she purchases 500 square inches of cardboard, how much will be left over?(1 point)
Responses
54 inches squared
426 inches squared
406 inches squared
446 inches squared