If the temperature starts out in the morning at 12° C but drops 18° by midnight, what is the new temperature then?
(when they temperature drops, does it get colder or warmer?)

“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 .