The length of each side of an equilateral triangle is increased by 5 in, so the perimeter is now 60 in.

Question

Mathematics

Guest

20 July, 09:27

The length of each side of an equilateral triangle is increased by 5 in, so the perimeter is now 60 in.

+5

Answers (2)

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Valeria Nolan · Answer 1

(x+5) + (x+5) + (x+5) = 60

3x+15=60

3x=45

x=15.

before 5 was added to each side, each side was 10 in, and now each side is 15 in.

because x is the original side lengths and we added 5 to each side.

combine like terms and solve for x.

West · Answer 2

The answer origanlly would of been 65