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ajay210
@ajay210
August 2021
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two cubes each of 8 centimetres edge are joined end to end find the surface area of the resulting cuboid
Answers & Comments
sasmitasamal82p1b5wx
Length of the cuboid, l = 2 × Edge of the cube = 2 × 4 cm = 8 cm
Breadth of the cuboid, b = Edge of the cube = 4 cm
Height of the cuboid, h = Edge of the cube = 4 cm
Surface area of the cuboid
= 2 (lb + bh + hl)
= 2 (8 cm × 4 cm + 4 cm × 4 cm + 4 cm × 8 cm)
= 2 (32 cm2 + 16 cm2 + 32 cm2)
= 2 × 80 cm2
= 160 cm2
Thus, the surface area of the resulting cuboid is 160 cm2.
1 votes
Thanks 4
ajay210
it is not a right answer
komaldeswal
ok what is the right answer
ajay210
640 CM square is the right answer
komaldeswal
okk
komaldeswal
L=8 b= 8 h=8
formula is 2(lb+bh+hl)
2(64+64+64)
2(192)=394 us the answer
0 votes
Thanks 0
ajay210
it is not a right answer
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Answers & Comments
Length of the cuboid, l = 2 × Edge of the cube = 2 × 4 cm = 8 cm
Breadth of the cuboid, b = Edge of the cube = 4 cm
Height of the cuboid, h = Edge of the cube = 4 cm
Surface area of the cuboid
= 2 (lb + bh + hl)
= 2 (8 cm × 4 cm + 4 cm × 4 cm + 4 cm × 8 cm)
= 2 (32 cm2 + 16 cm2 + 32 cm2)
= 2 × 80 cm2
= 160 cm2
Thus, the surface area of the resulting cuboid is 160 cm2.
formula is 2(lb+bh+hl)
2(64+64+64)
2(192)=394 us the answer