The height, breadth and length of a cuboid are 5 cm, 9 cm and 12 cm re

1.	The height, breadth and length of a cuboid are 5 cm, 9 cm and 12 cm respectively. Find the total surface area and the volume of cuboid.
Answer» Given Length of cuboid (l) = 12 cm Breadth (b) =9 cm and Height (h) = 5 cm Total surface area of cuboid = 2(lb + bh + hl) = 2[(12 × 9) + (9 × 5) +(5 × 12)] = 2[108 + 45 + 60] 2 × 213 = 426 cm² Volume = l × b × h = 12 × 9 × 5 = 540 cm³ Hence, total surface area of cuboid 426 cm² And volume of the cuboid 540 cm³

The height, breadth and length of a cuboid are 5 cm, 9 cm and 12 cm respectively. Find the total surface area and the volume of cuboid.

Answer»

Given

Length of cuboid (l) = 12 cm

Breadth (b) =9 cm

and Height (h) = 5 cm

Total surface area of cuboid = 2(lb + bh + hl)

= 2[(12 × 9) + (9 × 5) +(5 × 12)]

= 2[108 + 45 + 60]

2 × 213 = 426 cm²

Volume = l × b × h

= 12 × 9 × 5 = 540 cm³

Hence, total surface area of cuboid 426 cm²

And volume of the cuboid 540 cm³