Cari nilai a , alfa , beta

Alfa nya : 90°
Beta nya : 180 - ( 90°+26°)
180 - 116°
64°
a =
[tex] \sqrt{9 {}^{2} } \sqrt{14 {}^{2} } = [/tex]
[tex] \sqrt{81 + 196} = \sqrt{277} [/tex]