document.write( "Question 1205194: Mr.Greenstamps,
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\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Circles/Circles.faq.question.1149205.html\r
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\n" ); document.write( "\n" ); document.write( "Find the radius, in cm, of the large circle if the radius of the smaller circle
\n" ); document.write( "is 5 sqrt3 cm. The angle formed by the two radii at the center is 60 degrees.
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Algebra.Com's Answer #841906 by mccravyedwin(408)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I agree fully with Math_Tutor2020 that there's nothing in the instructions that\r\n" );
document.write( "mentions angle ABO must be 90 degrees (or that AB must be tangent to the smaller\r\n" );
document.write( "circle).  It wasn't even given that the circles are concentric.\r\n" );
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document.write( "However, my gut sense tells me this was what the student intended. The student\r\n" );
document.write( "probably had that diagram given.\r\n" );
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document.write( "If that wasn't what was intended, no harm done.\r\n" );
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document.write( "Triangle AOB is a 30-60-90 right triangle, so,'\r\n" );
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document.write( "\"matrix%281%2C2%2CSHORTER%2CLEG%29%2F1\"\"%22%22=%22%22\"\"matrix%281%2C2%2CLONGER%2CLEG%29%2Fsqrt%283%29\"\"%22%22=%22%22\"\"HYPOTENUSE%2F2\"\r\n" );
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document.write( "\"OB%2F1\"\"%22%22=%22%22\"\"OA%2F2\"\r\n" );
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document.write( "\"5sqrt%283%29%2F1\"\"%22%22=%22%22\"\"OA%2F2\"\r\n" );
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document.write( "\"OA\"\"%22%22=%22%22\"\"10sqrt%283%29\"\r\n" );
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document.write( "Edwin
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