document.write( "Question 1173729: If the distance between consecutive fence posts is 5 meters, what is the number of posts needed to build a fence around a triangular region with sides 20 m, 20 m, 30 m? \n" ); document.write( "

Algebra.Com's Answer #799019 by ikleyn(52814) $\"\"$ $\"About$

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document.write( "The perimeter is  20 + 20 + 30 = 70 meters.\r\n" );
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document.write( "The number of intervals between the posts is  70/5 = 14.\r\n" );
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document.write( "Since the contour is the closed line, the number of posts is equal to the number of the intervals between the posts.\r\n" );
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document.write( "ANSWER.  14 posts.\r\n" );
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