Question

ângulos

Em cada figura, calcule a medida x, em graus.

Answer 1

$a) x+40+2x+x+2x-30+3x-10=360 \\ 9x=360 \\ x=40$

$b)10x+14+90+90+2x+10=360 \\ 12x+204=360 \\ 12x=360-204 \\ 12x=150 \\ x=13$

$c)x+x+x+x+x+x=360 \\ 6x=360 \\ x=60$