SOLUTION: a square and an equilateral triangle have the same perimeter.the sum of one side of square and one side of the triangle is 21cm. find the length of one side
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Question 918132: a square and an equilateral triangle have the same perimeter.the sum of one side of square and one side of the triangle is 21cm. find the length of one side Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! 4s = 3t and t = 21-s
4s = 3(21-s)
7s = 3(21)
s = 9, side of square and t = 12
And..checking
P = 36 = 36
