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The longest chord passes through the centre of the circle (view source)
Revision as of 11:09, 3 December 2013
, 11:09, 3 December 2013→Concept # Construction of tangent
==Concept # Construction of tangent==
==Concept # Construction of tangent==
===Learning objectives===
===Learning objectives===
# The students should know that tangent is a straight line touching the circle at one and only point.
# They should understand that a tangent is perpendicular to the radius of the circle.
# The construction protocol of a tangent.
# Constructing a tangent to a point on the circle.
# Constructing tangents to a circle from external point at a given distance.
===Notes for teachers===
===Notes for teachers===
===Activity No # 1. Construction of tangent from an external point .===
===Activity No # 1. Construction of tangent from an external point .===
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
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*Estimated Time
*Estimated Time : 40 minutes.
*Materials/ Resources needed
*Materials/ Resources needed: Laptop, geogebra file, projector and a pointer.
*Prerequisites/Instructions, if any
*Prerequisites/Instructions, if any:
*Multimedia resources
# The students should have knowledge about a tangent.
# They should have measuring and drawing skills.
*Multimedia resources: Laptop and projector.
*Website interactives/ links/ / Geogebra Applets
*Website interactives/ links/ / Geogebra Applets
*Process/ Developmental Questions
*Process/ Developmental Questions
