Estimate the perimeter of the figure to the nearest whole number.

Answer:
The perimeter of the pentagon ≅ 19 units (approximately)
Step-by-step explanation:
Clockwise, starting from the base of the pentagon, we have:
In consequence,
Perimeter of the pentagon ≅ 4 + 3.75 + 3.75 + 3.75 + 3.75
Perimeter of the pentagon ≅ 19 units