Question

8) Determine o valor de x.​

Answer 1

Resposta:

2x + 3x + 3x + 4x = 180

12x = 180

x = $\frac{180}{12}$

x = 15°

Answer 2

Resposta:

2x + 3x + 3x + 4x = 180

12x = 180

x = \frac{180}{12}

12

180

x = 15°