The following data summarise the expenditure, by a county council during a particular year.) Service Education (C) Expenditure (Em) 160.2 Highways & Public Transport 35.7 28.9 27.9 24.5 Police Social Services Other These data are to be represented by a pie chart of radius 5 cm. Calculate, to the nearest degree, the angle corresponding to each of the five classifications. (Do not draw the pie chart.). The following year the county council spent 305.2 m. Find the radius of a comparable pie chart which could be used to represent this second set of data. (L)