The National Park Service is building a 16-mile hiking trail. They will post a sign every 1/8 mile along the trail, including one at the end. There will not be a sign at the beginning of the trail. How many signs will they post along the trail?

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

Abcd stupid son of a bitxh