document.write( "Question 981519: Hi tutors, can you help me answer this? Thanks\r
\n" ); document.write( "\n" ); document.write( "A circle of area \"+154+cm%5E2+\" has a sector removed from it.
\n" ); document.write( "The center angle of the sector is θ.
\n" ); document.write( "The arc length of the removed sector is 7.3 cm.
\n" ); document.write( "Which of these is the value closest to θ?\r
\n" ); document.write( "\n" ); document.write( "A. 20˚
\n" ); document.write( "B. 50˚
\n" ); document.write( "C. 60˚
\n" ); document.write( "D. 120˚
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Algebra.Com's Answer #602510 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
r, radius
\n" ); document.write( "\"pi%2Ar%5E2=154\"
\n" ); document.write( "\"r%5E2=154%2Fpi\"
\n" ); document.write( "\"r=2%2A7%2A11\"\r
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\n" ); document.write( "\n" ); document.write( "c, circumference
\n" ); document.write( "\"c=2pi%2Ar\"
\n" ); document.write( "\"c=2pi%282%2A7%2A11%29\"
\n" ); document.write( "\"c=4%2A7%2A11%2Api\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Arc length removed, 7.3 cm.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Central Angle is \"%287.3%2F%284%2A7%2A11%2Api%29%29%2A360\", degrees.
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