Inventions Catapult

Giant Claw War Machines Archimedes Screw

Heat Ray Integral Calculus Principle of Buoyancy Name given to the ratio of the circumference of a circle to the diameter

Archimedes showed that the exact value of pi was between the numbers 3 10/71 and 3 1/7

How? By approximating a circle by a regular polygon having 96 sides Exact value of Volume of a sphere Contributions in... Background Born in Syracuse, Greece in 287 BC

Died in 212 BC

Son of an astronomer: Phidias

Received formal education in Alexandria, Egypt

Unknown if he ever married or had children Archimedes of Syracuse Camila M, Isabel E, Daniela S, Rafaela F Archimedes Considered one of the greatest mathematicians in history

Believed to be one of the three greatest mathematicians along with Isaac Newton and Carl Gauss.

Greatest contribution = area of geometry

Was also an accomplished engineer and inventor Geometry Integration - determine the area of sections bounded by geometric figures such as parabolas and ellipses

To find the areas, volumes and surface areas of many bodies was an early form of integration Last Words... Archimedes' circle of friends Heron – Hero of

Geometry Papus – Last of the

Greek Geometer Theon – Greek Mathmetician and

teacher of math and astronomy Euclides How? Archimedes broke the sections into an infinite number of rectangles and added the areas together

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