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BrainlyAvenger
02.12.2020 •
Mathematics
Heeeeeeeeeeeeeelp
Please help!
Solved
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Ответ:
x = 4
Step-by-step explanation:
Since it's a equilateral triangle, all sides are equal
So you can do the equation 3x - 1 = 11
You then add 1 on both sides, leaving the equation as 3x = 12
You divide both sides by 3, which leaves you with x = 4
Ответ:
maybe 20.7 26.3 31.0?