Subject :Sam Class : Sample
Class : Class 9
area of trapezium =1/2*(sum of parallel sides)*height;=1/2(70 110)*30=2700; amt of wood reqd.=2700*30=81000
Subject :GENERAL Class : Class 7
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Subject :Sam Class : Sample
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Subject :Sam Class : Sample
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Subject :Rea Class : Class 10
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Subject :Sam Class : Sample
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Subject :IGK Class : Class 1
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Subject :Sam Class : Sample
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Subject :GENERAL Class : Class 7
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Subject :IGK Class : Class 3