Geometry practice on circle Here, we will practiced and discussed the questions on circle. Fill in the blanks. (1) The common point of a tangent and the circle is called …….. (2) A circle may have …….. parallel tangents. (3) A tangent to a circle intersects it in …….. point. (4) A line intersecting a […]

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 →

Circle – Area – Formula and Problems with Solutions  Area of a circle is A = 𝝿r2 = 𝝿 (pi) x (radius)2 , where r is radius of the circle. or when we know the diameter A = (𝝿/4) x D2 when we know circumference A = c2/4𝝿 Let us now solve problems on area of a circle. Here […]

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 →