a) MON+NOP=90°
MON=NOP/5
NOP/5+NOP=90°
(NOP+5NOP)/5=90°
6NOP=90°X5
NOP=450°/6
NOP=75°
MON=NOP/5=75°/5
MON=15°
B) AOM≡AON=MON/2
AOM=15/2=7,5°
AON=7,5°
BON≡BOP=NOP/2
BON=75/2=37,5
BOP=37,5
AOB=AON+BON
AOB=7,5+37,5=45
AOB=45 GRADE
C) BOM=BON+AON+AOM
BOM=37,5+7,5+7,5
BOM=52,50