### Home > CALC > Chapter 1 > Lesson 1.5.1 > Problem 1-201

1-201.

Shehazana, who is five and a half feet tall, is walking toward a 20-foot streetlight. Solve for the length of her shadow,

*x*, in terms of the distance,*d*, she is from the pole. Visualize this situation using the 1-201 HW eTool (Desmos). Homework Help ✎

Use the eTool below to visualize this situation.

Click the link at right for the full version of the eTool: Calc 1-201 HW eTool

Do you see the similar right triangles in this diagram? Recall that similar triangles have proportional sides. Set up a proportion and solve for *x*.