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primary 6 | Maths
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Help Ronald Tan! Anyone can contribute an answer, even non-tutors.
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Date Posted: 4 days ago
Views: 190
12×12+2×6²=216
8 small cubes to become a bigger cube, is for it to be a 2x2x2 cube.
So just find the area of 1 side, then multiply by 6 faces of the cube.
Length of 1 small cube = 6/2 = 3cm
Surface area for 1 side of 2x2x2 cube = 3*3*4 = 36cm^2
Total surface area of cube = 36 * 6 = 216 cm^2
So just find the area of 1 side, then multiply by 6 faces of the cube.
Length of 1 small cube = 6/2 = 3cm
Surface area for 1 side of 2x2x2 cube = 3*3*4 = 36cm^2
Total surface area of cube = 36 * 6 = 216 cm^2
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