(a) The area of a corner lot shall be twenty (20) percent greater than the minimum area required for an interior lot.
(b) When the principal building is located with its greatest depth on the long side of a corner lot, the required rear yard may be reduced to a minimum of twenty (20) percent of the average lot depth; but in no case shall the shortest distance, measured horizontally between any part of a building and the rear lot line, be less than twenty (20) feet.
(c) On all corner lots, the principal building shall be considered to have two (2) front yards and, as such, shall be located to observe the minimum front yard setback from each street.