478,299 views
33 votes
33 votes
I am having trouble answering this question.Solve for x.Angles are 7x and x+20.

I am having trouble answering this question.Solve for x.Angles are 7x and x+20.-example-1
User Victor Karangwa
by
3.3k points

1 Answer

19 votes
19 votes

Given:

The objective is to find the value of x.

By the property of center axiom, the sum of adjacent angles of a straight line is always 180 degree.


\begin{gathered} 7x+x+20=180^0 \\ 8x+20=180 \\ 8x=180-20 \\ 8x=160 \\ x=(160)/(80) \\ x=20 \end{gathered}

Hence, the value of x is 20.

User Ptriek
by
2.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.