question is the surfce area of a cuboid is 1300cm2 if its breath is 10cm height is 20cm find its length
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Surface area of cuboid=(lb+bh+hl)
1300= l(b+h)+hl
1300/l= (10+20)+(10*20)
1300/l=30+200
l=1300/230
l=5.65 cm
1300= l(b+h)+hl
1300/l= (10+20)+(10*20)
1300/l=30+200
l=1300/230
l=5.65 cm
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