Question

Qual o valor de x no quadrilátero abaixo? * ME AJUDEM URGENTEEEEE POR FAVORRRRRRRRR

Answer 1

1) x+20+x-20+60+40=360

2x+100=360

2x=360-100

2x=260

x=260/2

x= 130

2)90+90+x+110=360

290+x=360

x=360-290

x=70

4) 70+90+80+x+10=360

250+x=360

x=360-250

x=110