Question

the diagram at right shows horseback riding trails. point b is the halfway point along path AC. point D is the halfway point along path CE. the paths along BD and AE are parallel. if riders travel from A to B to D to E, and then back to A, how far do they travel?

Answer 1

here is the triangle

Answer 2

Theorem: The segment joining the midpoints of two sides of a triangle has length half that of the third side of the triangle.

That gives BD = 2