Ancient Indian mathmatician aryabhatta is credited as inventor of trignometry.
Guido d'Arezzo
Complement of a given angle = (90 - given angle) Supplement of a given angle = (180 - given angle)
Measure it or use trigonometry if the 'included' angle is given.
The answer depends on what you need to do. You can always use a ruler to measure the sides. Or you may be able to use trigonometry to calculate them - except that you will still need to know the length of one side.
With Pythagoras' theorem or trigonometry depending on the information you are given.
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china
Notre Dame
John Baird
some teens that go to harvard university
Guido d'Arezzo
Galileo took credit for inventing the telescope
Edgar Allan Poe was given credit for inventing the detective story.
Credit for inventing the World Wide Wed is given to Tim Berners-Lee , also called TimBL. He managed this feat in November 1989.
Archaeologist in Papua New Guinea founded airplane.
me
no