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edits
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From Karnataka Open Educational Resources
The longest chord passes through the centre of the circle (view source)
Revision as of 17:07, 4 December 2013
, 17:07, 4 December 2013→Notes for teachers
===Notes for teachers===
===Notes for teachers===
*Activity No # Construction of cyclic quadrilateral
*Activity No # Construction of cyclic quadrilateral
*Estimated Time
*Estimated Time 10 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 know a circle and its parts.
# They should know that a quadrilateral is a 4 sided closed figure.
*Multimedia resources : Laptop
*Website interactives/ links/ / Geogebra Applets
*Website interactives/ links/ / Geogebra Applets
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*Process/ Developmental Questions
*Process:
*Evaluation
# The teacher can recall the concept of a circle, quadrilateral, circumcircle.
# Can explain a cyclic quadrilateral and show the geogebra applet.
# Move points, the vertices of the quadrilateral and let the students observe the opposite interior angles.
Developmental Questions:
# What two figures do you see in the figure ?
# Name the vertices of the triangle.
# Where are all the 4 vertices situated ?
# Name the opposite interior angles of the quadrilateral.
# What do you observe about them.
*Evaluation:
# Compare the cyclic quadrilateral to circumcircle.
*Question Corner
*Question Corner
# Name this special quadrilateral.
*Activity No #
*Activity No # 2.
*Estimated Time
*Estimated Time
*Materials/ Resources needed
*Materials/ Resources needed
