A mathematician who works in the field of geometry.
Famous Geometers
Thales of Miletus (624 BC – 546 BC)
▪ Greek Philosopher
▪ used geometry to solve problems such as calculating the height
of pyramids and the distance of ships from the shore
▪ He is credited with the first use of deductive reasoning applied to
geometry, by deriving four corollaries to Thales' Theorem
▪ was the first person known to have studied electricity
Euclid (300 BC) aka “Euclid of Alexandria”
▪ a Greek mathematician
▪ often referred to as the "Father of Geometry“
▪ Known for Euclidean Geometry & Euclid's Elements
Archimedes of Syracuse (287 BC – 212 BC)
▪ a Greek mathematician, physicist, engineer, inventor, and
astronomer
▪ gave a remarkably accurate approximation of pi
▪ proven that the volume and surface area of the sphere are two thirds that of the cylinder
including its bases (his favorite mathematical proof)
Vsphere = 2/3 Vcylinder
Asphere = 2/3 Acylinder
Rene Descartes (1596-1650)
▪ Father of Modern Philosophy
▪ French philosopher and mathematician
▪ developed dualistic theory of mind and matter
▪ introduced the use of coordinates to locate a point in two or three
dimensions
Cartesian Coordinate System
specifies each point uniquely in a plane by apair of numerical coordinates, which are the signed distances from the point to two fixed perpendicular directed lines, measured in the same unit of length. Each reference line is called a coordinate axis or just axis of the system, and the point where they meet is its origin, usually at ordered pair (0,0).
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