document.write( "Question 1110932: work out perimeter of a semicircle with a radius of 3cm
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document.write( "give your answers in terms of pie=3.14 \n" );
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Algebra.Com's Answer #725938 by amalm06(224)![]() ![]() You can put this solution on YOUR website! Circumference of circle = 2pi*r \n" ); document.write( "Circumference of semicircle = (1/2)(2pi*r)=pi*r\r \n" ); document.write( "\n" ); document.write( "Given: r = 3 cm\r \n" ); document.write( "\n" ); document.write( "Then circumference of semicircle = 3pi (Answer) \n" ); document.write( " |