An equilateral triangle has a perimeter of
1 answer:
Answer:
4y + 3
Step-by-step explanation:
An equilateral triangle has three sides of equal length.
The length of each side is 1/3 of the perimeter.
(12y + 9)/3 = 12y/3 + 9/3 = 4y + 3
Answer: 4y + 3
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