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→Activity No # 2. Proving area of the circle = п r² using geogebra applet.
# Tell them that the radius and side of square are of same measure as it would help us in deducing the formula for area of circle.
# Tell them that the radius and side of square are of same measure as it would help us in deducing the formula for area of circle.
# Formulas are easy ways of calculating area .
# Formulas are easy ways of calculating area .
# If formulas are not known then the entire area in question can be divided into small squares of 1 unit measure and can deduce the formula of the whiole.
# If formulas are not known then the entire area in question can be divided into small squares of 1 unit measure and can deduce the formula of the whole.
# First the number of full squares is counted.
# First the number of full squares is counted.
# Then two half squares would add up to 1 full square.
# Then two half squares would add up to 1 full square.