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The surface area of a box open at top , whose length , breadth and height are l, b and hrespectively is:(a) 2(lb + bh) + hl (b)2(bh + hl) + 1b (c) 2(lb + bh + hl) (d) 2(lb + hl) + bh |
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Answer» c Step-by-step explanation: 2 (l×b+b×h+h×l) THANK you |
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