how much cardboard is needed to make a rectangular box of length 12 CM breadth 10 cm and height 7 cm
Answers
Answered by
11
Length = 12 cm
Width = 10 cm
Height = 7 cm
Total cardboard needed to make rectangular box = Total Surface Area of box
= 2 ( 12 × 10 + 10 × 7 + 7 × 12)
= 2 ( 120 + 70 + 84)
= 2 ( 190 + 84)
= 2 × 274
= 548 cm^2
Width = 10 cm
Height = 7 cm
Total cardboard needed to make rectangular box = Total Surface Area of box
= 2 ( 12 × 10 + 10 × 7 + 7 × 12)
= 2 ( 120 + 70 + 84)
= 2 ( 190 + 84)
= 2 × 274
= 548 cm^2
Answered by
9
Given,
Length = 12cm
Breadth = 10cm
Height = 7cm
TSA of Cuboid = 2 ( lb + bh + hl )
= 2× (12 × 10 + 10 × 7 + 7 ×12)
= 2 ( 22 + 70 + 84 )
= 2 × 274
= 548cm^2
HOPE THIS HELPS U...
Length = 12cm
Breadth = 10cm
Height = 7cm
TSA of Cuboid = 2 ( lb + bh + hl )
= 2× (12 × 10 + 10 × 7 + 7 ×12)
= 2 ( 22 + 70 + 84 )
= 2 × 274
= 548cm^2
HOPE THIS HELPS U...
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