document.write( "Question 1206181: Select all of the following that can be used to construct a triangle if two sides of
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document.write( "the triangle have lengths of 7 centimeters and 10 centimeters (cccc).
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document.write( " 3 cm
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document.write( " 7 cm
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document.write( " 10 cm
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document.write( " 17 cm
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document.write( " 18 cm \n" );
document.write( "
Algebra.Com's Answer #843441 by ikleyn(52810)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Select all of the following that can be used to construct a triangle if two sides of \n" ); document.write( "the triangle have lengths of 7 centimeters and 10 centimeters. \n" ); document.write( "(a) 3 cm \n" ); document.write( "(b) 7 cm \n" ); document.write( "(c) 10 cm \n" ); document.write( "(d) 17 cm \n" ); document.write( "(e) 18 cm \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "In order for three segments of the given length could form a triangle, \r\n" ); document.write( "the triangle inequalities must be valid:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " +-----------------------------------------------------+\r\n" ); document.write( " | The sum of the lengths of any two sides |\r\n" ); document.write( " | is greater than the length of the third side. |\r\n" ); document.write( " +-----------------------------------------------------+\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Having it, we see that\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(a) triangle (7,10,3) is not possible, since 7+3 is equal to 10, but is not greater than 10.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(b) triangle (7,10,7) is possible, since all three triangle inequalities are satisfied.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(c) triangle (7,10,10) is possible, since all three triangle inequalities are satisfied.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(d) triangle (7,10,17) is not possible, since 7+10 is equal to 17, but is not greater than 17.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(e) Solve it on your own, based on given instructions.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "The solution is fully explained.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "///////////////////\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It may be interesting to you to learn that the triangle inequality is in one logical step \n" ); document.write( "from the axiom, saying that the straight line is the shortest distance between two points in a plane.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ! Only one logical step !\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |