1. The space between the finger and thumb in the image is approximately 2.5 inches. Convert this measurement to feet. 12/3.5 = 3.43
2. The hand is being held 27 inches in front of the camera. Convert this measurement to feet.
3. The tower shown in the image is 315 feet tall. Make a sketch to show the setup for this problem using similar triangles. The variable will be distance from the camera to the base of the tower.
4. How far is the person from the base of the tower?