Numeracy Intermediate November 2018 Unit 1 Q7

7. Yousef has a piece of wallpaper.

He wants to draw some of the leaves to create a different design to screen print.

Yousef draws lines on the wallpaper.
Some of the lines are parallel.
He measures four angles and needs to calculate four more.

Diagram not drawn to scale

Find the size of each of the angles \(a\), \(b\), \(c\) and \(d\). [4]

\(a\) = …………… °   \(b\) = …………… °   \(c\) = …………… °   \(d\) = …………… °