Para sumar o restar angulos emplearemos el sistema sexagesimal, para esto es importante conocer las equivalencias principales:
1 grado sexagesimal = 60 minutos.
1 minuto sexagesimal = 60 segundos.


50º + 7º = 57º

45º + 22º = 67º

80º + 20º = 100º

30º 12' + 25º 36' = 55º 48'

23º 50' + 12º 23' = 35º73' = 36º 13'

88º 23' 17" - 34º 17' 10" = 54º 6' 7"

Otro ejemplo un poco más complejo:

Mira el video Suma y resta de Angulos:
Ahora mira "Razonando con los Angulos":

SUMA de ángulos:

RESTA de ángulos:

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