余角

complementary angle (additional angle adding to 90 degrees)

surname Jue

angle / corner / horn / horn-shaped / unit of money equal to 0.1 yuan, or 10 cents (a dime) / CL:個|个[ge4]

role (theater) / to compete / ancient three legged wine vessel / third note of pentatonic scale

surname Yu

(archaic) I / me / variant of 餘|余[yu2], surplus

extra / surplus / remaining / remainder after division / (following numerical value) or more / in excess of (some number) / residue (math.) / after / I / me