1. Find the area of the coloured sector

A spinner has \(six\) sectors, half of which are blue and half of which are red. If the radius of the spinner is 5 \(cm\), what is the area of the sectors?  [Use $\mathrm{\pi }$ \(= \)\(22/7\)].

 

 

Area of the blue sectors is ${\mathit{cm}}^2$.