Find the perimeter and area of a semi circle whose diameter is 18.2
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Diameter=18.2
Radius=9.1
Perimeter of semicircle= pi*r
=>9.1×22/7
=>1.3x22
=>28.6 Ans.
Radius=9.1
Perimeter of semicircle= pi*r
=>9.1×22/7
=>1.3x22
=>28.6 Ans.
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