Determine the magnitudes of angles [[$ \alpha $]] and [[$ \beta $]].


a)

Answer: [[$ \alpha $]] = [[$ ° $]] and [[$ \beta $]] = [[$ ° $]]

b)

Answer: [[$ \alpha $]] = [[$ ° $]] and [[$ \beta $]] = [[$ ° $]]

c)

Vastaus: [[$ \alpha $]] = [[$ ° $]] and [[$ \beta $]] = [[$ ° $]]