The length of the diagonal of a cube is the under-root 243 centimeters, the area of its entire page
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Step-by-step explanation:
√243 = 9√3 cm
Side × √3 = diagonal of cube
Side = 9√3/√3
Side = 9 cm
TSA = 6a^2
= 6×9×9
= 486 cm^2
Area of one face = a^2
= 9×9 = 81 cm^2
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