Each of the equal sides of an isosceles triangle exceeds 3 times the base by 2 inches. If the perimeter is 60 inches, find the length of each side of the triangle..help pleasee.

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23-11-2016
Mathematics

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Each of the equal sides of an isosceles triangle exceeds 3 times the base by 2 inches. If the perimeter is 60 inches, find the length of each side of the triangle..help pleasee.

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apologiabiology apologiabiology · Answer 1 · 2016-11-23T08:30:23+01:00

apologiabiology apologiabiology

23-11-2016

sides are x,x,b

x is identical side

x is bigger than 3 times b by 2
x=3b+2

p=x+x+b
60=2x+b

x=3b+2
60=2(3b+2)+b
60=6b+4+b
60=7b+4
minus 4 both sides
56=7b
divide both sides by 7
8=b

sub back
x=3b+2
x=3(8)+2
x=24+2
x=26

legnths are
26in, 26in, 8in

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