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The longest chord passes through the centre of the circle (view source)
Revision as of 16:50, 1 January 2014
, 16:50, 1 January 2014→Activity No # 2.Properties of a Cyclic quadrilateral
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# They should know that in a cyclic quadrilateral the sum of opposite interior angles is 180 degrees.
−# In a cyclic quadrilateral the exterior angle is equal to interior opposite angle
coloured paper, pair if scissors, sketch pen, carbon paper, geometry box
coloured paper, pair if scissors, sketch pen, carbon paper, geometry box
*Prerequisites/Instructions, if any
*Prerequisites/Instructions, if any
−# The students should know a circle and a quadrilateral.
+# Circles and quadrilaterals should have been covered.
−*Multimedia resources
*Multimedia resources
*Website interactives/ links/ / Geogebra Applets
*Website interactives/ links/ / Geogebra Applets
This activity has been taken from the website http://mykhmsmathclass.blogspot.in/2007/11/class-ix-activity-16.html
This activity has been taken from the website http://mykhmsmathclass.blogspot.in/2007/11/class-ix-activity-16.html
*Process:
*Process:
−Note: Refer the above geogebra file to understand the below mentioned labelling.
+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.
# Draw a circle of any radius on a coloured paper and cut it.
# Paste the circle cut out on a rectangular sheet of paper.
# Paste the circle cut out on a rectangular sheet of paper.