Question

define a variable and write an equation to model each situation. Then solve.
A flagpole casts a shadow 10ft long. A girl standing next to the flagpole casts a shadow 2.5ft long. If the girl is 5ft tall, how tall is the flagpole?

Answer 1

Shadows, people and poles are all problems related to right angled triangles. Once you know two sides, you can compute the 3rd side. Using the theorem on right angled triangles.