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Geometry.
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.
Angles were known before trigonometry. Trigonometry was the study of angles and their relationship to shapes.
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.
The angles that are equal to 180 are called supplementary angles. The angles that equal 90 degrees are called complimentary.
Oceanographer
because angles are easy
A guy called Bob Anipania from Italy
It is called coordinated geometry which is plotted on the Cartesian plane.
The study of life is called biology. It is the scientific study of living organisms, their structure, function, growth, evolution, distribution, and taxonomy.
Oceanographer
scientist
A person who studies bats is called a chiropterologist.
A person who is involved in the astronomical study of sun is called a Heliologist
Is called a Onclolgist. It's a person who are the ones who study cancer and how to treat it.
They are called an astronomer.
Geologists