Geometry Math Is Fun ~ Geometry Geometry is all about shapes and their properties If you like playing with objects or like drawing then geometry is for you Geometry can be divided into Plane Geometry is about flat shapes like lines circles and triangles shapes that can be drawn on a piece of paper

High School Geometry Khan Academy ~ Roughly 2400 years ago Euclid of Alexandria wrote Elements which served as the worlds geometry textbook until recently Studied by Abraham Lincoln in order to sharpen his mind and truly appreciate mathematical deduction it is still the basis of what we consider a first year course in geometry

Geometry mathematics Britannica ~ Geometry the branch of mathematics concerned with the shape of individual objects spatial relationships among various objects and the properties of surrounding space It is one of the oldest branches of mathematics having arisen in response to such practical problems as those found in

Geometry all content Khan Academy ~ Learn geometry for free—angles shapes transformations proofs and more Full curriculum of exercises and videos

Geometry Wikipedia ~ Geometry from the Ancient Greek γεωμετρία geoearth metron measurement is a branch of mathematics concerned with questions of shape size relative position of figures and the properties of space

Geometry GeoGebra ~ Interactive free online geometry tool from GeoGebra create triangles circles angles transformations and much more