GeoGebra - Spoken Tutorials - Assignments Funded by the National Mission on Education through ICT ------------------------------------------------------------------------------------- Geogebra Mensuration Assignment1 1.To find area and perimeter of a trapezium, 2.Use the output of file "cons­trapezium.ggb" 3.Rename object 'g' as 'b' 4.Formula for area = (half sum of parallel sides) * (vertical height) = (a+b)/2* h 5.Formula for perimeter =(sum of the sides) =(a+b+c+d) Assignment2 1.Area and volume of cylinder 2.Draw 2 same sized ellipses one below the other 3.Connect edges of ellipses 4.Use “center” tool, find center of one ellipse 5.Join center and edge. 6.Rename object 'b' as 'h' and 'e' as 'r' 7. Surface area = 2 π r(r + h) 8. Volume = π r^2h