document.write( "Question 1036968: state triangle and parallelogram law of vector addition
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Algebra.Com's Answer #651848 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "state triangle and parallelogram law of vector addition
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\n" ); document.write( "\n" ); document.write( "The triangle rule of adding vectors: \r
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document.write( "    If the vectors  AB and  BC are two sides of the triangle  ABC,  then the sum \r\n" );
document.write( "    of the vectors  AB  and  BC  (in this order and orientation)  is the third side  AC  of the triangle. \r\n" );
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\n" ); document.write( "\n" ); document.write( "The parallelogram rule of adding vectors. \r
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document.write( "    If two vectors  AB  and  AD  have the common initial point  A,  then the sum \r\n" );
document.write( "    of the vectors  AB  and  AD  is the vector  AC  which is the diagonal of the parallelogram  ADCB \r\n" );
document.write( "    built on the sides  AB  and  AD.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See the lesson Vectors in a plane in this site.\r
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