3 cubes each of side 8 cm are joint together side by side to form a cuboid.Find the surface area of the cuboid.
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surface area of one cube=6×8×8=384 then s. area of joining 3cube to form cuboid =384×3=1152
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length =8 cm
breadth =8 cm
height=24cm
surface area of cuboid =2(lb+bh+hl)
2×(8x8+8×24+24×8)
2(64+192+192)
2×444
888cm sq.
breadth =8 cm
height=24cm
surface area of cuboid =2(lb+bh+hl)
2×(8x8+8×24+24×8)
2(64+192+192)
2×444
888cm sq.
sahil255:
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