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2 votes
Find the value of x.
(3x+20) º
12°

Find the value of x. (3x+20) º 12°-example-1
User Kfreezy
by
4.4k points

2 Answers

5 votes

Answer:

12°

Explanation:

a straight line adds up to 180°

(3x+20)+2x=180

3x+2x+20=180

5x+20=180

5x=180-20

5x=60

5x/5=60/5

x=12

x=12°

User Tsegismont
by
4.1k points
3 votes

Answer:

x=32°

Explanation:

2x+3x+20=180 co interior angle

5x=180-20

x=160/5=32°

User David Torrey
by
3.7k points