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Can someone tell me how to do these problems, I keep getting stuck on them: "find the value of x"

Can someone tell me how to do these problems, I keep getting stuck on them: &quot-example-1
User Lesnar
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2 Answers

14 votes

Answer:135°

Explanation:

User Zaheer Ansari
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4 votes
135 - 20 best explanation let’s go
User Csjpeter
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