The city of Nizwa has an area of 1400 square miles and is covered by a cellular system using a 12-cell reuse pattern. Each cell has a radius of 10 miles and each full duplex channel has a bandwidth of...

The city of Nizwa has an area of 1400 square miles and is covered by a cellular system using a 12-cell reuse pattern. Each cell has a radius of 10 miles and each full duplex channel has a bandwidth of 40 KHz. The total number of channels per cell is 85 channels/cell. Compute the (a) number of cells in the service area (b) allocated spectrum for the Nizwa city.