Question

agora é com você! determine o valor de x nos intens a seguir

Answer 1

Resposta:

Explicação passo-a-passo:

a)

$x+2x=180\\3x=180\\\\x=\frac{180}{3} \\\\x=60\°$

b)

$2x+45+x=90\°\\3x=90-45\\\\x=\frac{45}{3}\\\\x=15\°$

c)

$(x+15)+(x-15)+2x=180\°\\4x=180\\x=\frac{180}{4}\\\\x=45\°$

d)

$2*(x+30)+x=90\°\\2x+60+x=90\\3x=90-60\\\\x=\frac{30}{3}\\\\x=10\°$