From a rectangular metal sheet of sides 45cm and 48cm, the largest possible circular sheet is cut off. Find the area of the remaining portion of metal sheet.?
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Answer:
570.375 cm²
Step-by-step explanation:
The circle's radius will be the half of the smaller side, which is 45 cm ( also the diameter).
The radius = 22.5 cm.
The area of a circle = πr²
= 3.14 (approx) x 22.5²
= 3.14 x 506.25
= 1589.625 cm²
The area of the metal sheet = 45 x 48 cm²
= 2160 cm²
The area of the remaining portion of metal sheet
= area of sheet - area of circle
= 2160 - 1589.625 cm²
= 570.375 cm²
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