From a rectangular metal sheet of sides 28 cm and 40 cm, a circular sheet as big as possible is cut
off. Find the area of remaining sheet.
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Answer:
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Step-by-step explanation:
area of sheet =28×40=1120cm²
area of circular sheet=r=28/2=14
so area =pie 14²=616 cm²
remaining area=1120-616=504 cm²
so final answer=504cm²
Answered by
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Step-by-step explanation:
area of the rectangular sheet is 28×40 sq cm
=1120 sq cm
diameter of the circular sheet as big as possible
is 28 cm
radius of the circular sheet is 28/2cm=14 cm
area of the circular sheet is π.radius^2sq cm
=22×14×14/7sq cm=44×14sq cm=616sq cm
area of the remaining sheet us
(1120-616)sq cm
=504sq cm
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