Question

find the total surface area of cuboid whose length = 4cm, breath = 3cm, height = 5cm​

Answer 1

TSA of a Cuboid = 2 × ( lb + bh + lh )

= 2 × [ (4 × 3) + (3 × 5) + (5 × 4) ]

= 2 × [ (12) + (15) + (20) ]

= 2 × [ (47) ]

= 94 cm²

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