kyahb15 kyahb15

02-03-2018
Mathematics

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Each of the two congruent sides of an isosceles triangle is 8 inches less than twice the base.the perimeter of the triangle is 74 inches ,what is the length of the base

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jinc0930 jinc0930

02-03-2018

if base is x
congruent side = 2x-8
perimeter=2 congruent sides +base

2(2x-8)+x=74
4x-16+x=74
5x=58
x=11.6

length of the base is 11.6 inches

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