11. Read the diagram answer the question

 

Harshini was crossing a double four-way intersection like the above image. The highways was looked like a transversal line crossing a parallel road. So if the measure of \(∠2 =\)110\(°\), then find the sum of \(∠8\) and \(∠4\).

 

The sum of \(∠8\) and \(∠4\)_______.