51.4k views
5 votes
Help please not to sure how to do this

Help please not to sure how to do this-example-1
User Trendels
by
6.9k points

1 Answer

3 votes

Answer:

x = 25

Explanation:

(2x + 50)° and 100° are vertically opposite angles and are congruent (equal), then

2x + 50 = 100 ( subtract 50 from both sides )

2x = 50 ( divide both sides by 2 )

x = 25

User Itsazzad
by
7.0k points