For the following cell pattern,

(a) Find the reuse distance if radius of each cell is 2 km.
(b) If each channel is multiplexed among 8 users, how many calls can be simultaneously processed by each cell if only 10 channels per cell are reserved for control, assuming a total bandwidth of 30 MHz is available and each simplex channel consists of 25 kHz?
(c) If each user keeps a traffic channel busy for an average of 5% time and an average of 60 requests per hour are generated, what is the Erlang value 

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