48,434 views
43 votes
43 votes
Find the missing angle of a triangle with 60 degrees and 40 degrees

User Alexys
by
3.2k points

1 Answer

17 votes
17 votes

The sum of the interior angles of a triangle = 180 degrees. So, all of the angles on the inside of the triangle will add up to 180.

60 + 40 + ? = 180

100 + ? = 180

? = 80

The missing angle in the triangle is 80 degrees.

Hope this helps!

User Sternjobname
by
3.3k points