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27 votes
27 votes
What is the value of x?

x = 25

x = 180

x = 135

x = 20

What is the value of x? x = 25 x = 180 x = 135 x = 20-example-1
User Stephen Melrose
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1 Answer

21 votes
21 votes

Answer:

x=20

Explanation:

Since all the angles in any give triangle adds up to 180, we can make an equation from this geometry question. x+5+7x-5+x=180 (Adding all the angles). If you simplify this, it becomes 9x=180, or x=20.

User Cnikolaou
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2.7k points