From a rectangular metal sheet of side 30 cm and 40cm a circular sheet as big as possible is cut off. Find the area of the remaining sheet.
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Answered by
122
So,
Diameter of circular sheet = 30 cm , So radius of circular sheet = 15 cm
Area of remaining sheet = Area of rectangular sheet - Circular sheet
Area of remaining sheet = Length × Breadth - π r2
Area of remaining sheet = 40 × 30 - 227× 15× 15
Area of remaining sheet = 1200 - 49507
Area of remaining sheet = 1200 - 707.14
Area of remaining sheet = 492.86 cm2 ( Ans )
Diameter of circular sheet = 30 cm , So radius of circular sheet = 15 cm
Area of remaining sheet = Area of rectangular sheet - Circular sheet
Area of remaining sheet = Length × Breadth - π r2
Area of remaining sheet = 40 × 30 - 227× 15× 15
Area of remaining sheet = 1200 - 49507
Area of remaining sheet = 1200 - 707.14
Area of remaining sheet = 492.86 cm2 ( Ans )
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Answered by
31
Answer:
Diameter of circular sheet = 30 cm , So radius of circular sheet = 15 cm
Area of remaining sheet = Area of rectangular sheet - Circular sheet
Area of remaining sheet = Length × Breadth - π r2
Area of remaining sheet = 40 × 30 - 227× 15× 15
Area of remaining sheet = 1200 - 49507
Area of remaining sheet = 1200 - 707.14
Area of remaining sheet = 492.86 cm2 ( Ans )
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