Question

answer this question please​

Answer 1

Answer:

x + y+ z

180=x+90(supplement angle)

180-90=90

90=x

180=z+30(supplement angle)

180-30=z

150=z

third angle of triangle

180=90+30+a(angle sum property of triangle)

180=120+a

180-120=a

60=a

180=y+60

180-60=y

120=y

90+150+120=360.