You can approximate the angle using the law of cosines. I say approximate because the curvature of the Earth is going to have some non-zero effect on the calculation. In your example it should suffice to calculate the distances between the points and then

Since you're measuring an area, you need at least three corners or sides, forming a triangle. Click on the third corner of the area you want to measure. Another point will be created there, and it will be connected to the previous point via a line. If

With Google Maps, there are two different ways to measure distance. First, you can measure the distance between two locations using the Google Maps directions feature. This calculates the distance along streets. Second, you can measure distance between an