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What is the study of figures and angles?
Geometry.
What kind of angle is 150?
Angles less than 900 are called acute angles. 900 angles are called right angles. Angles that are greater than 900 and less than 1800 are called obtuse angles. 1800 angles are called straight angles. Anles greater than 1800 and less than 3600 are called reflex angles. 3600 angles are called full rotations. 1500 is therefore an obtuse angle.
When did angles first become known in trigonometry?
Angles were known before trigonometry. Trigonometry was the study of angles and their relationship to shapes.
What is trigonometry in maths?
It started off as a study of the properties of angles and sides of a trigon or triangle but has since broadened into the study of angles and sides of all polygons.
What are 2 angles called if the sum of their measures is equal to 180?
The angles that are equal to 180 are called supplementary angles. The angles that equal 90 degrees are called complimentary.
