Mathematics, 24.11.2019 08:31 swkgp3cevk

Trianglia is a triangular island. each side increases by 2.5 km. using l (l is the variable) for the length of the shortest side, the perimeter is represented by the expression:

l+(l+2.5)+(1+5)

sean thinks that the expression 3(l+2.5) could also be used to represent the perimeter.
is sean correct?

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Trianglia is a triangular island. each side increases by 2.5 km. using l (l is the variable) for the...

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