Lot Width. The minimum lot width shall be measured either at the required front yard setback line or at the front lot line as required for the district in which it is located. In cases of irregularly shaped lots whose sides are not parallel, where the lot width is measured at the required front yard setback line, the street frontage shall not be less then seventy-five (75%) percent of the minimum lot width required; provided the lot width measured at the front yard setback line shall be no less than the minimum lot width specified in the zoning schedule for the district in which the lot is contained.
In the case of irregularly shaped lots whose sides are not parallel, where the lot width is measured at the front lot line, the width of the lot measured at the required front yard setback line shall not be less then eighty-five (85%) percent of the required lot width measured at the front lot line.