Two cubes each of side 10cm are joined end to end,forming a rectunglar shaped solid. Find the surface area of the resulting rectangular shaped solid
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When two cubes are joined the resulting cuboid will have l=10 cm b=20cm and h=10cm.
Now after applying tsa of cuboid we have
2 (lb+bh+hl)
2 (10×20+20×10+10×10)
2 (200+200+100)
2 (500)
=1000 cm^2
Now after applying tsa of cuboid we have
2 (lb+bh+hl)
2 (10×20+20×10+10×10)
2 (200+200+100)
2 (500)
=1000 cm^2
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