Math, asked by Zerina313121, 4 months ago

Find the surface area of cuboid. ​

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Answers

Answered by kbheemashankar23
2

Answer:

curved surface area of cuboid is 2h(l+b)

given that

length =5whole1/2cm=11/2cm

breadth =4cm

height=10whole1/2cm=21/2cm

=2×21/2(11/2+4)

=2×21/2(11+8/2) simplify

=21(19/2)

=399/2

=199.5

the surface area of cuboid is 199.5cm²

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