2 Answers

Danny Allen · Answer 1 · 2017-08-27T03:18:19+0000

I think this is the answer- so do 18x3 beacuse each side if the triangle is 18yards and a triangle has 3 sides! :)

Dunno if its right. :0

Jim Rush · Answer 2 · 2017-08-30T03:37:48+0000

mean is average
triangle has 3 sides
mean of its sides is
if the sides are a,b,c meause then mean of the sides is (a+b+c)/3=mean=18

perimiter=a+b+c

therefor
perimiter/3=18

multiply both sides by 3
perimiter=54 yardds

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