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6) What is the value of x in the figure shown below? (8x) 140° A. 130 C. B. 22.5 D.. 5

6) What is the value of x in the figure shown below? (8x) 140° A. 130 C. B. 22.5 D-example-1

2 Answers

5 votes
Yea I did tho I just woke up so I don’t have to go to
User Stepancheg
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4 votes

Notice that the angles of 140° and (8x)° are supplementary angles, since they make an angle of 180°. Then:


8x+140=180

Solve for x:


\begin{gathered} \Rightarrow8x=180-140 \\ \Rightarrow8x=40 \\ \Rightarrow x=(40)/(8) \\ \Rightarrow x=5 \end{gathered}

Therefore, the value of x is:


5

User Konrad Kostrzewa
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