Question

eae gente blz, era pra amanhã mas n e mais

a) x+30°=360°
b) 2x+10+3x-70+x-80=360°
c) x+x+80°+20°+20°=360°
d) x+×/2+130°+40°=360°
e) x+x+x/2+x/2=360°

obrigada novamente

Answer 1

d) ^ e) ^


a) X = 360*-30*
X = 330*

b)2x+3x+X=360*+80-10+70
6x = 500*
X = 500*/6
X = 83.3333333333...

c)X+X= 360*-30-20-80
2x = 230*
X = 230*/2
X = 115*