The length, breadth and height of a cuboid are
18cm,12cm, 9cm. Find its total surface area.
Answers
Answered by
0
Step-by-step explanation:
total surface area of cuboid
=2(lb+bh+lh)
=2(18×12+12×9+9×18)cm²
=2(216+108+162)cm²
=2×486 cm²
=972cm²
hope this is helpful for you...
Answered by
1
Step-by-step explanation:
Given : l = 18 cm
b = 12 cm
h = 9 cm
formula : 2 ( lb + bh + lh )
= 2 ( 18 × 12 + 12 × 9 + 18 × 9 )
= 2 ( 216 + 108 + 162 )
= 2 × 486
= 972 sq.cm
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