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Line 125:
Line 125: − #Review the terms plane closed figures, circle and radius.+ − #Show them how to measure radius on the compass − #Show them to draw a circle. − #Project the geogebra and let them view the changing size of the circle with changing radius. Line 134:
Line 131: − −
→Activity No # 3. Circle of varying radius using Geogebra
*Process:
*Process:
Show the geogebra file and ask the following questions.
*Developmental Questions:
*Developmental Questions:
# What is a circle ?
# What is a circle ?
# What is the radius of this circle ?
# What is the radius of this circle ?
# How do you name the radius ?
# How do you name the radius ?
*Evaluation:
*Evaluation:
#By what parameter is the size of a circle defined ?
#By what parameter is the size of a circle defined ?
#Bigger the radius, _____________ is the size of the circle.
#Bigger the radius, _____________ is the size of the circle.
*Question Corner:
*Question Corner:
# How do you name a circle ?
# How do you name a circle ?