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OpenStudy (anonymous):
if a farmer wants to fence his triangular field with dimensions 20m, 20m by 30m and each fence post has to be 5m apart, how many fence posts does he need to fence completely?
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OpenStudy (anonymous):
find the perimeter and divide that by 5 :)
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
i find the perimeter of the triangle right?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
okay :)
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