The area of a semicircle is 882 cm².
Find its (i) radius and (ii) perimeter.
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Answer:
Radius=23.69cm
Perimeter=74.4cm
Step-by-step explanation:
Are of circle=π*r^2=2* Half a circle=2*semi circle=882
Radius r =sqrt(882*2/π)=23.69cm
Perimeter of semi circle=π*r=74.4cm
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