Question

find the supplementary angles of the
21


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Answer 1

Answer:

180 - 21

179

hope it helpss

Answer 2

if two angles are supplementary, their sum = 180⁰

let the angle be = x

x × 21⁰ = 180⁰

x = 180 - 21

x = 159⁰

159⁰ is the supplementary angle of 21⁰