document.write( "Question 1065794: each of the two equal angles of an isosceles triangle is two and half times the third angle. find the angles of the triangle. \n" ); document.write( "

Algebra.Com's Answer #680958 by ikleyn(52797) $\"\"$ $\"About$

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document.write( "You are given\r\n" );
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document.write( "A = B = 2.5C,\r\n" );
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document.write( "where A and B are two congruent angles at the base and C is the vertex angle.\r\n" );
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document.write( "Then A + B + C = 2.5C + 2.5C + C = 6C = 180 degrees.\r\n" );
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document.write( "Hence, C =  = 30 degrees.\r\n" );
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document.write( "Then A = B = 2.5*30 = 75 degrees.\r\n" );
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