Changes

The longest chord passes through the centre of the circle (view source)

183 bytes removed , 16:50, 1 January 2014

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coloured paper, pair if scissors, sketch pen, carbon paper, geometry box

*Prerequisites/Instructions, if any

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# ~~The students should know a circle~~ and ~~a quadrilateral.~~

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# Circles and quadrilaterals should have been covered.

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~~# They~~ should ~~know that in a cyclic quadrilateral the sum of opposite interior angles is 180 degrees~~.

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~~# In a cyclic quadrilateral the exterior angle is equal to interior opposite angle~~

*Multimedia resources

*Website interactives/ links/ / Geogebra Applets

This activity has been taken from the website http://mykhmsmathclass.blogspot.in/2007/11/class-ix-activity-16.html

*Process:

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Note: Refer the above geogebra file to understand the below mentioned labelling.

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Note: Refer the above geogebra file to understand the below mentioned labelling.,br>

# Draw a circle of any radius on a coloured paper and cut it.

# Paste the circle cut out on a rectangular sheet of paper.

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