155k views
3 votes
180
94
112
90
68
56
100

180 94 112 90 68 56 100-example-1

1 Answer

4 votes

(x+18)° is vertical opposite 112° and vertical opposite angles are equal meaning

⇒(x+18)°=112°

x+18°=112°

x=112°-18°

∴x=94°

(2y)° is in a straight line with 112° meaning their sum is 180°


2y+112=180\\2y=180-112\\2y=68\\(2y)/(2) =(68)/(2) \\y=34

∴y=34°

User Mrghofrani
by
3.9k points