Question

Look at the figure.
What is the value of x?

20

70

30

90

Answer 1

3x+10+80=180

Answer 2

Solve for x

Answer 3

E and F are parallel. Then you can see that the angle you want is 180 minus the angle given.

Answer 4

thank you I forgot the formula!

Answer 5

x=30

Answer 6

30

Answer 7

3x+10+80=180
3x+90=180
3x=90
x=30

Answer 8

hahaha thank and thats what i did I got x=30 :)

Answer 9

thank you I appreciate it :)