Question

Ajudem Urgente Por Favor

Answer 1

90+90
10x+16+3x+10=180
13x=180-26
13x=154
13x= 154/13
x=11,85°

3x+10/2
3(11,85)+10/2
35,53+10/2
45.53/2
B/2 = 22,76
22,76+45+y=180
y=180- 67,76
y= 112,24