Heidi hikes two trails, the Big Trapezoid and the Little Trapezoid. The shorter base of the Big Trapezoid is 2 mi long, while the longer base is 8 mi. The longer base of the Little Trapezoid is 4 mi long. The trails are similar shapes.
What is the length of the shorter base of the Little Trapezoid trail?
What is the length of the shorter base of the Little Trapezoid trail?