Question

3. The total surface area of a cuboidal
room whose length is twice the
breadth is:
(a) 2(2h2 + 3bh)
(b) 2(212 + 3bh)
(c) 2(2b2 + 3lb)
(d) 2(2b2 + 3bh)
aus​

Answer 1

a. 2(2h2+3bh)is

answer.

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