379,231 views
19 votes
19 votes
I don't know how to do math lol​

I don't know how to do math lol​-example-1
User John Bernard
by
3.0k points

2 Answers

11 votes
11 votes

Answer:

Ima guess 60

Explanation:

User Marr
by
3.1k points
30 votes
30 votes

9514 1404 393

Answer:

60°

Explanation:

The exterior angle is equal to the sum of the remote interior angles:

100° = 40° +∠B

60° = ∠B . . . . . . . . . . . . . subtract 40° from both sides

User MahoriR
by
3.0k points