En una comunidad donde su sistema de numeracion es de base 4 el resultado de la suma 103+122+200 deberia ser: a) 431
b) 1131
c) 1031

“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 .