The length of each side of an equilateral triangle is decreased by 3 inches,so the perimeter is now 21 inches.what is the original length of each side of the equilateral triangle

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2017-08-22 14:34:02

The Perimeter then would be 30 Inches! :V

2017-08-22 14:35:17

an equilateral triangle has equal sides so if you divide the perimeter by 3 you would get the length for all of the sides 21/3 = 7 since it said it was decreased by 3 inches you add 3 inches back 7 + 3 = 10 so the original length of one side of the triangle is 10 inches

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