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12. A rectangular cardboard measures 25 cm by 10 cm. A square of perimeter 12 cm is cut out from one of its edges. Find the remaining area of the cardboard.
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Answer:
Length of sheet = 16 cm
Breadth of sheet = 10 cm
Side of each square = 2 cm
∴ Inner length = 16−2×2=16−4=12cm
Inner length =10−2×2=10−4=6cm
By folding the sheet, the length of the container = 12 cm, breadth = 6 cm, height = 2 cm
∴ Volume of the container = (l×b×h)
Answered by
1
Answer:
Length of sheet = 16 cm
Breadth of sheet = 10 cm
Side of each square = 2 cm
∴ Inner length = 16−2×2=16−4=12cm
Inner length =10−2×2=10−4=6cm
By folding the sheet, the length of the container = 12 cm, breadth = 6 cm, height = 2 cm
∴ Volume of the container = (l×b×h)
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