Introduction – Pie Chart Here we will discuss in brief about construction of a Pie Chart or Pie Graph from given data. Let us see what is a pie chart or pie graph. A “pie graph or (pie chart)” is a circular chart divided into sectors, each sector represents a proportionate part of a whole. […]
Read More →Arc – Geometry In mathematics the word arc also used for some other curved shapes like an ellipse but mostly used for a circle. Definition: An arc is a portion of the circumference of a circle. It is also known as circular arc. In above figure AB […]
Read More →We use many objects in our daily life, which are round in shape, such as wheels of a vehicle, sun, moon, a dinner plate, button of shirts etc. These are real examples of a circle. Let’s study about circle and it’s parts. Definition: 1. Circle A circle is a collection of […]
Read More →Common Geometry Symbols Geometry Symbol Symbol Symbol Name (1) ∠ Angle (2) ∟ Right angle (3) ∡ […]
Read More →The angle at the centre of a circle is twice the angle at the circumference, when both are subtended by the same arc. Given: A circle with centre at O, arc BC of this circle subtends angles ∠BOC at centre O and ∠BAC at a point A remaining part of the circle. To Proof: ∠BOC […]
Read More →Prove that the angle in a semicircle is a right angle or Angle subtended by a diameter/Semicircle on any circle on any point of circle is 90º. Given: A circle O with centre O. BC is the diameter of circle subtending ∠BAC at […]
Read More →