A toy train playground maker can choose from one of the two types of stakes for its fencing. Each stake is constructed from a strong alloy metal wire. Stake I combines a rectangle and a triangle whereas stake II combines a rectangle and a semi circle; dimension in units as shown. In making a fence that is 3600 units long, which stake will use less wire and by how many units ?

# TJ Prep Problems

TJ test prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.