# Geometry

The word Geometry contains two words, one is ‘Geo’ and other is ‘metron’. Geo means earth and metron means measurement. So geo-metry means to measure the earth. This word has been derived from the Greek word ‘Geo-metron’ which means to measure the earth. The idea of geo-metry began when men felt the need to measure their lands while buying and selling. Geo-metrical ideas have developed over centuries to cater to needs in art, architecture etc. In this part we use geo-metrical construction.Just as arithmetic has numbers as its basic elements (or building blocks) , algebra has numbers, alphabets and the four fundamental operations of addition, subtraction, multiplication and division as its basic elements ( or building blocks) , geo-metry too has its own building blocks. These building blocks are Point, Line and Plane.

In this section

**ask-math**explains you according to the topics and according to the grade in detail. Here we have covered the topics such as lines, angles, triangles, quadrilateral etc.

**ask-math**also explains how to write geo-metrical proofs and it also explain you about the construction.

**Geo-metry– Table of Contents**

**Basics of geo-metry**: The word 'geo-metry' means measurement of the earth. Various shapes and figures with which we deal in Geo-metry are called geo-metrical figures.

**Quadrilaterals**: which are basically shapes like square,rectangle,rhombus…etc

**Triangles**: Introduction to Triangles,types of triangles and congruence of triangles using postulates

**Similarity**: Geo-metric figures having the same shape but different sizes are known as similar figures.

**Pythagorean Theorem :**It states that the square of hypotenuse is equal to the sum of the squares of other two legs.(a

^{2}+ b

^{2}= c

^{2}).

**Circles**: The round shape figure is called Circles.

**Geo-metric Constructions**: In Geometry, it means to draw shapes, angles or lines accurately.

**Special right triangle**: Recognizing special right triangles in geo-metry can help you to answer some questions quicker.

**Geometry**

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