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Math Forum » Discussions » Math Topics » geometry.pre-college.independent

Topic: What's the word?
Replies: 11   Last Post: Aug 3, 1999 3:25 PM

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Michael Keyton

Posts: 138
Registered: 12/3/04
What's the word?
Posted: Mar 22, 1996 5:58 PM
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Does any one know or have a word for two arcs whose measures sum to 360
degrees? I seem to recall having read that they are called complementary
arcs. My students have suggested bi-supplementary or circplementary. As I
read the etymology, both complementary and supplementary mean virtually
the same thing "something that completes or fills up". Thus its use in
complementary sets. Likewise looking for a word for for two angles whose
sum is 270 degrees? Their contributions have been tricomplementary or
sesquisupplementary.

Michael Keyton
St. Mark's School of Texas
Dallas






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