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35 votes
35 votes
What equation could you solve to find the value of x in this diagram?

What equation could you solve to find the value of x in this diagram?-example-1
User Alan Viars
by
2.5k points

2 Answers

19 votes
19 votes

Answer:

75 + 3x = 180

Explanation:

The sum of the measures of the angles of a triangle is 180°.

45 + 30 + 3x = 180

75 + 3x = 180

User Hajitsu
by
2.3k points
24 votes
24 votes

Answer:

75+3x=180

Explanation:

User Nikky
by
3.8k points