Question

Find \(x\) in the following figures.
  

Answer 1

We know that the sum of all exterior angles of any polygon is \(360\degree\).
(a) \(125\degree + 125\degree + x = 360\degree\)
\(250\degree + x = 360\degree\)
\(x = 110\degree\)

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(b)

\(60\degree + 90\degree + 70\degree + x + 90\degree = 360\degree\)
\(310\degree + x = 360\degree\)
\(x\) = \(50\degree\)