Tangents Of Circle

Published in: Mathematics
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• Debarun S

• Kolkata
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This presentation will help student to understand what tangent is and how they are constructed.

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Objectives This presentation explains: a Types of Tangents. Construction of tangents. Construction of incircle. Construction of circumcircle This project will help students understand the concept of tangents and how they are constructed.
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Requirements:- a a a a a Compass pencils Eraser Scale Set Square
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tangent Chord Secent If line touches the circle at one point only that is tangent called a If line connect the two point at the circle that is called a chord If line intersect the circle at two point that is called secant
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Formation of tangent Tangent Circle Chord C Secant B
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Definition of tangents APB is called a tangent to the circle The touching point P is called the point of contact. C B
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When two circles do not touch B F C We construct four tangents
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When two circles touches externally 3rd Tangent 1st Tangent C 2nd Tangent We can construct B O' three tangents APB CQD, PRQ
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two circles intersect each Other 1st Tangent C 2nd Tangent B We can construct two tangents AB CD
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When two circles touches internally O p O' B We can construct only one tangents APB
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When two concurrent circles O' O We can not construct any common tangent
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P is a point out side the circle you can construct two tangents passing through Tangent TangentP
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Constructing Circumcircle 01 B Steps of Construction Construct a A ABC Bisect the side AB Bisect the side BC The two lines meet at O From O Join B Taking 0B as radius draw a circumcircle.
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Constructing of incircle O Steps of construction Construct a A ABC Bisect the z BAC Bisect the z ABC The two lines meet at O Taking O draw OP-L AB Taking OP as radius Draw a circumcircle B
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The End

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