The circle of radius 7cm is cut out from a rectangular piece of an aluminium sheet of length 26cm and breadth 12cm. What is the area of the leftover aluminium sheet
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Answer:
Radius of circle=7 cm
In aluminium sheet,
length=26cm
breadth=12cm
According to question,
Area of aluminium sheet left=Total area of aluminium sheet−Area of circle
=L×B−πr^2
=26×12−22/7×7×7
=312−154
=158cm^2
Therefore, the area of aluminium sheet left is 158cm^2.
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