Answer:
Explanation:
2y-17 and 40 are vertical angles so they are congruent:
2y-17=40 and
2y=57 so
y=28.5
2y-17 + 70 + 4x = 180 and we already know y is 28.5, so:
2(28.5)-17 + 70 + 4x = 180 and
57-17+70+4x=180 and
110+4x=180 and
4x=70 so
x=17.5
8.4m questions
11.0m answers