Times Educational Supplement was created in 1910.
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Educational Studies in Mathematics was created in 1968.
15 degrees
Supplement angles add up to 180⁰ Compliment angles add up to 90⁰ let S be the supplement let C be the compliment S = 4C Just a second, this question makes no sense! :)
The angles are 157.5 degrees and 22.5 degrees
an angle that is 54 degrees less than 4 times its complement