5. In the diagram shown, the construction of a regular hexagon has been shown. Extra segments (normally not drawn) have been drawn in
dashed.
(a) Explain why triangle ACM , triangle DBM , triangle BEM , and triangle AFM are all
congruent, equilateral triangles.
(b) Now, why would triangle CDM and triangle EFM also have to be equilateral and congruent to these other four?