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22-12-2020
Mathematics

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2x-20 solve for x in an equilateral triangle

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Аноним Аноним

22-12-2020

Answer:

x=40

Step-by-step explanation:

triangle = 180 degrees

Equilateral so 3(2x-20) = 180

6x-60=180

6x=240

x=40

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