Sahil is using a map to estimate the area of Germany. He thinks the country could best be outlined by a nonagon. He draws the polygon shown to approximate its shape. 1. Use Sahil's polygon to estimate the percent of Germany's border that is coastline. Show your work. 2. Consider the population of Germany. a. Estimate the population of Germany if there are approximately 237 people per square kilometer. Explain your process. b. How does your approximation compare to Germany's current estimated population of 82.69 million people?​