find the total surface area lateral surface area and length of diagonal of a cube whose edge is 4.5
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total surface area = 6a^2 ( a = 4.5)
6×45/10 = 3×9 =27 cm^2.
lateral surface area = 4a^2 = 4 ×45/10 = 180/10
= 18 cm^2.
diagonal of a cube = under root 3a
= under root 3× 45/10 = 3 under root 3/2 cm
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Answer:
LSA of cube 4a square so; ans is 128
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