First Image back
   

LENGTH and AREA of
SHAPES,,,

WHAT/WHY IS 360 DEGREES?
Using a ruler I Using a ruler II
Scale map Perimeter & area
     
MAKING VOLUME GEOMETRY - Basic shapes PLAYING WITH TRIANGLES
 
Using infinitesimal Calculus to calculate theAREA of a CIRCLE
Using infinitesimal Calculus to calculate theVOLUME of a SPHERE