Part 1: Ratios - Using Proportions to Solve Triangles Directions: Find two objects that cast shadows that are parallel (you can move one so that it is parallel to the other object). For example, your objects could be a mailbox and a garden stake. Measure the height and the shadow of both objects and see if the ratios of the height to shadows are approximately the same. Then find a third object that is too tall to measure and measure its shadow. If the ratio for your two objects is similar, use this ratio to estimate the height of your third object. You will also need to take a picture(s) of the objects you used. Step 1. Measure the height and shadows of objects 1 and 2, then measure the shadow of object 3 only. Make a note of the time of day you measured the shadows (all objects should be measured at the same time of day): ________________________________________ Object 1: Object 2: Object 3: Measured height of Object 1: Measured height of Object 2: Estimated Height of Object 3: Measured shadow of object 1: Measured shadow of object 2:Measured shadow of object 3: