document.write( "Question 985460: Points A, B, and C lie on the circumference of a circle. AB is twice the radius of the circle. Find m(angle)ACB. \n" ); document.write( "
Algebra.Com's Answer #606266 by ikleyn(52796)\"\" \"About 
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\n" ); document.write( "Answer.  90°.\r
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\n" ); document.write( "\n" ); document.write( "Since  AB  is twice the radius of the circle,  AB  is the diameter of the circle.\r
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\n" ); document.write( "\n" ); document.write( "The angle  LACB  is  90°,  because it leans on the diameter.\r
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