document.write( "Question 1194230: Assuming that a 90° arc has an exact length of 5𝜋 in., find the length of the radius of the circle in inches \n" ); document.write( "
Algebra.Com's Answer #826363 by josgarithmetic(39617)\"\" \"About 
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Ninety degrees is \"1%2F4\" of \"360\" degrees. This means circumference is \"20pi\" inches. What to do next should be straightforward. \n" ); document.write( "
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