Jefferson high school is looking to expand its student parking lot by expanding the existing lot as shown below. The size of the new parking low will be twice the size of the old parking lot. How many feet, x was the old parking lot expanded by?

“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 .