MARK02512 MARK02512

12-11-2020
Mathematics

contestada

In the equilateral triangle below, x =
and the length of each side is
units.
3x + 6
9x – 12
6x - 3

Respuesta :

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13-11-2020

Step-by-step explanation:

3x+6+9x-12+6x-3=180

15x-9=180

x-9=12

x=21

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