STEP 1: find angle $ \alpha $
To find angle $ \alpha $ use formula:
$$ \alpha + \beta = 90^o $$After substituting $ \beta = \frac{ 5493 }{ 100 }^o $ we have:
$$ \alpha + \frac{ 5493 }{ 100 }^o = 90^o $$ $$ \alpha = 90^o - \frac{ 5493 }{ 100 }^o $$ $$ \alpha = \frac{ 3507 }{ 100 }^o $$STEP 2:
Internal error: There are more than 1 unknown parameter.