"\u03C6" . _:b19895 . . . "angle"@en . . _:b19895 . . . "plane angle"@en . _:b19880 . "\u89D2\u5EA6"@zh . . . . . _:b19881 . . _:b19881 . _:b19880 . _:b19880 . . . . "\u03B2" . "\u03B8" . "\u03B1" . "hoek"@nl . _:b19881 . "\u03B3" . _:b19895 . . . "Angle is the ratio between an arc and its radius."@en . . . _:b19880 _:b19881 . . _:b19895 . . .