denaTendybarbara denaTendybarbara

01-12-2016
Mathematics

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A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. the perimeter is 19 inches.what is the measure of x?

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apologiabiology apologiabiology

01-12-2016

perimiter=sum of all sides
x+x-4+x-4=19
3x-8=19
add 8 both sides
3x=27
divide both sides by 3
x=9 inches

x=9 in

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