56.0k views
5 votes
Find the value of angle c?? Please help

Find the value of angle c?? Please help-example-1

1 Answer

1 vote
180 = (2x+10) + (3x + 20)
180 = 5x + 30
Subtract 30 from both sides
150 = 5x
Divide both equations by 5
30 = x
Now since a and c are vertical angles a = c
So plug in 30 for x
2(30) + 10 = c
60 + 10 = c
70 = c
User Jocel
by
8.7k points