find the curved surface area of a cuboid with length 10cm breadth 5cm and height 15cm
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(a) Length =10cm, breadth =8cm, height =3cm
Volume of cuboid =lbh=10×8×3=240cm
3
[V=240cm
3
]
(b) Length =1.5m, breadth =25cm, height =15cm
[1m=100cm]
Volume of cuboid =lbh=150×25×15=56250
[V=56,250cm
3
]
(c) Length =15cm, breadth=2.5dm, height =8cm
[1dm]=10cm
Volume of cuboid =lbh=15×25×8
[V=3000cm
3
].
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Answer:
CSA of cuboid = 2(l+b) ×h
= 2(10+5) ×15
= 2 ×15 × 15
= 450 cm^2
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