The perimeter of one face of cube is 40 cm. find total surface area od cube
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side = perimeter/4
side = 40/4
side = 10 cm
total surface area =6a²
= 6*10*10
= 600 cm²
side = 40/4
side = 10 cm
total surface area =6a²
= 6*10*10
= 600 cm²
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