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1.Find the lateral and total surface area of cuboid of length 80cm, 60cm and 45cm. |
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Answer» Step-by-step EXPLANATION: LENGTH(l)=80 cm BREADTH(B)=40 cm HEIGHT(h)=20 cm = 2[(80*40)+(40*20)+(20*80)] cm² =2[3200+800+1600] cm² =2[5600] cm² =11200 cm² LSA OF CUBOID=2(l+b)h =2(80+40)20 cm² =2(120)20 cm² =40(120) cm² =480 cm² |
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