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MariettaO [177]
2 years ago
7

a equilateral triangle has a perimeter of 21x + 9 what is the length of each side of the triangle?(hint: factor the perimeter)​

Mathematics
1 answer:
Dmitry [639]2 years ago
6 0

Answer:

7x + 3 \\

Step-by-step explanation:

All sides in an equilateral triangle are equal so factor out three and you are left with the length of each side.

3(7x + 3)

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