Two cubes each of side 8cm are joined end to end.Find the surface area of the resulting cuboid.
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Answered by
57
l=16;b=8;h=8
lbh=8*8*16
=1024
lbh=8*8*16
=1024
Answered by
69
Edge of cube = 8cm
Length of the cuboid after joining = 8+8 = 16cm
Breadth of the cuboid = 8cm
Height of the cuboid = 8cm
Surface area of the cuboid
= 2 (lb+lh+bh)
= 2 (16*8 + 16*8 + 8*8 )
= 2 (128+128+64)
= 2 (320)
= 640 cm²
Therefore, the surface area of the resulting cuboid is 640 cm².
Length of the cuboid after joining = 8+8 = 16cm
Breadth of the cuboid = 8cm
Height of the cuboid = 8cm
Surface area of the cuboid
= 2 (lb+lh+bh)
= 2 (16*8 + 16*8 + 8*8 )
= 2 (128+128+64)
= 2 (320)
= 640 cm²
Therefore, the surface area of the resulting cuboid is 640 cm².
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