Question

If the dimensions of a room are length , breadth and height then which of the following is the area of its four walls?
a, 2h(l+b). b, 2h(2l+b)
c, 2h+2bl. d, 2l(h+h)
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

a.2h(l+b)

hope you understand