# What Are 10 Geometric Terms?

## What are the 3 types of geometry?

In two dimensions there are 3 geometries: Euclidean, spherical, and hyperbolic.

These are the only geometries possible for 2-dimensional objects, although a proof of this is beyond the scope of this book..

## What are the basic geometric terms?

Geometric TermstermdefinitionEquilateral Trianglea triangle with all sides equal and all angles equalScalene Trianglea triangle having three unequal sides and anglesVertexthe intersection point of two sides of a plane figureRight Trianglea triangle with one internal angle equal to 90 degrees25 more rows

## What are geometric ideas?

Students will describe and identify basic geometry ideas including line segments, rays, lines, parallel lines, perpendicular lines, and midpoint. Students will describe attribute of angles and measure angles.

## What are 10 geometric concepts?

Geometry is the fourth math course in high school and will guide you through among other things points, lines, planes, angles, parallel lines, triangles, similarity, trigonometry, quadrilaterals, transformations, circles and area.

## What are the three basic terms in plane geometry?

These words are point, line and plane, and are referred to as the “three undefined terms of geometry”.

## What are the examples of geometry?

Examples of Geometric ShapesCircle: A round shape with the same radius from a fixed point in the center. … Square: Four equal straight sides with four right angles. … Triangle: Three-sided figure with straight sides. … Rectangle: Four straight sides with four right angles, different length and width.More items…

## Who is the mother of geometry?

Euclid (c. 325-265 BC), of Alexandria, probably a student at the Academy founded by Plato, wrote a treatise in 13 books (chapters), titled The Elements of Geometry, in which he presented geometry in an ideal axiomatic form, which came to be known as Euclidean geometry.

## Who is the father of geometry?

EuclidGeometry/Fathers

## What is geometry in real life?

Geometry has many practical uses in everyday life, such as measuring circumference, area and volume, when you need to build or create something. Geometric shapes also play an important role in common recreational activities, such as video games, sports, quilting and food design.

## What is called geometry?

Geometry is a branch of mathematics that studies the sizes, shapes, positions angles and dimensions of things. Flat shapes like squares, circles, and triangles are a part of flat geometry and are called 2D shapes. These shapes have only 2 dimensions, the length and the width.

## What are the 16 basic shapes?

Terms in this set (16)equilateral triangle. A triangle with all sides of equal length.isosceles triangle. A triangle with two sides of equal length.scalene triangle. A triangle with no sides of equal length. … scalene right triangle. … isosceles right triangle. … square. … rectangle. … parallelogram.More items…

## What is a normal to a plane?

In three dimensions, a surface normal, or simply normal, to a surface at point P is a vector perpendicular to the tangent plane of the surface at P. The word “normal” is also used as an adjective: a line normal to a plane, the normal component of a force, the normal vector, etc.

## What did Euclid prove?

Euclid’s theorem is a fundamental statement in number theory that asserts that there are infinitely many prime numbers. It was first proved by Euclid in his work Elements. There are several proofs of the theorem.

## Who first used geometry?

GreeksHistory of geometry Beginning about the 6th century bce, the Greeks gathered and extended this practical knowledge and from it generalized the abstract subject now known as geometry, from the combination of the Greek words geo (“Earth”) and metron (“measure”) for the measurement of the Earth.