Measurements of chalk box is 30,40,20cm . How many square cm cloth is required to make cover of box
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Answer:
area=2(lb+bh+hl)
=2(30×40+40×20+20×30)
=2(1200+800+600)
=2(2600)
=5200
Answered by
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the area of cloth required is TSA= 2( lb+ bh+ hl )
=2(30x40+40x50+20x30)
=2(1200+2000+600)
=2(3800)
=7200
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