# 1. To give suggestive demonstration of formula that the area of the circle is half the product of its circumfrence and radius a)by coiling method b)by paper cutting and pasting. 2.to verify that the sum of first n odd natural number is n2 by an activity method. 3.To verify that the sum of area of three sectors of same radii 'r' formed at the vertices (as centre) of any triangle r2/2using paper cutting and pasting. 4. a)to compare the curves surface area of two right circular cylinder which are formed rectangular sheet of paper having same dimension. b)to compare total surface area of two right circular cylinder s which are formed from rectangular sheet of paper having same dimension. 5.to compare the volume of two right circular cylinder which are formed rectangular sheet of paper having same dimension. 6.to illustrate the medians of a triangle concur at a point called thecentroid,which always lies inside the circle using paper folding mehod. plz send SOLUTION FAST AS MUCH POSSIBLE ON siddhantbhopal@gmail.com

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