This star is made up of 2 triangles ACE and BDF.
The sum of angles A + B + C + D + E + F is

The correct answer is 360

Sum of angles of a triangle = 180$^{\circ}$

∴ Sum of angles of triangle ACE + Sum of angles of triangle BDF
= 180$^{\circ}$ + 180$^{\circ}$
= 360$^{\circ}$