Calculate the area of Carpark (Hatched area in a drawing), dimensions are given to inside of kerb, calculate inside area and outside area of asphalt, and area of concrete kerb. Calculate perimeter and

Calculate the area of Carpark (Hatched area in a drawing), dimensions are given to inside of kerb, calculate inside area and outside area of asphalt, and area of concrete kerb. Calculate perimeter and centerline, need all step by step calculations, with proper explanation, not just an answer.