how much sheet of metal is required to make a cuboid measuring 10 cm × 8cm × 4cm
Answers
Answered by
5
Answer:
304cm²
Step-by-step explanation:
2{(10*8)+(8*4)+(10*4)}cm²
=2{80+32+40}cm²
= 2(152)cm²
= 304cm²
Answered by
4
Step-by-step explanation:
length of cuboid = 10cm
breadth of cuboid = 8cm
height of cuboid = 4cm
area of cuboid = 2( lb + bh + hl )
= 2( 10 x 8 + 8 x 4 + 4 x 10 )
= 2 ( 80 + 32 + 40 )
= 2 ( 152 )
= 304cm ²
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