how to find the perimeter of each shaded section?
['The shaded shape on the grid is a rectangle. Its length is 4 units and width is 3 units.', 'Perimeter of the shaded shape = 3 + 4 + 3 + 4 = 14 units.', 'Area of the shaded shape = length × width. = 4 × 3 = 12 square units. Problem 2. Find the perimeter and area of the shaded shape on the grid.']