document.write( "Question 328064: find the angle of a sector of a circle with radius=12ft and area of 40 sq. feet. \n" ); document.write( "
Algebra.Com's Answer #235017 by galactus(183)\"\" \"About 
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The area of a circular sector is \"A=1%2F2%2Ar%5E2%2A%28theta%29\"\r
\n" ); document.write( "\n" ); document.write( "We are given A=40 and r=12. We have to solve for theta.\r
\n" ); document.write( "\n" ); document.write( "\"40=1%2F2%2A%2812%29%5E2%2A%28theta%29\"\r
\n" ); document.write( "\n" ); document.write( "\"40=72%2A%28theta%29\"\r
\n" ); document.write( "\n" ); document.write( "\"5%2F9=%28theta%29\" radians\r
\n" ); document.write( "\n" ); document.write( "This is equal to \"%285%2F9%29%28180%2F%28pi%29%29=100%2F%28pi%29=31.83\" degrees
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