document.write( "Question 1199144: calculate the area of the shaded region enclosed by three identical circles tangent to each other. The radius of the circles is 5 inches \n" ); document.write( "

Algebra.Com's Answer #832860 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "The centers of the circles form an equilateral triangle with the side a = 5+5 = 10 inches.\r\n" );
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document.write( "The area of this triangle is  A =  = .\r\n" );
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document.write( "Each circular sector of interest has the area of    of the area of the circle of radius 10 inches.\r\n" );
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document.write( "So we need to subtract   =  from A:\r\n" );
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document.write( "    the area of interest is   -   (exact formula).\r\n" );
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document.write( "Substitute the numbers and calculate using your calculator.\r\n" );
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