3cube are joined end to end . If the edge of each cube is 7cm , find total surface area and volume of the resulting cuboid
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Total surface area of cuboid = 686 cm²
Volume of cuboid = 1029 cm³
Step-by-step explanation:
3 cube are joined end to end. If the edge of each cube is 7 cm
The new figure would be cuboid whose dimension is
Length, L = 21 cm
Breadth, B = 7 cm
Height, H = 7 cm
Total surface area of cuboid = 2(LB+BH+LH)
Total surface area of cuboid = 2(21×7 + 7×7 + 7×21)
Total surface area of cuboid = 686 cm²
Volume of cuboid = LBH
Volume of cuboid = 21×7×7
Volume of cuboid = 1029 cm³
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