312 Miscellanea 
Area of strip on base h 
where c^, and d., are the distances of the foot of the ordinate y from the terminals of the range, 
(iv) Curve of type: Mode at distance ■''o'=~2m ^'^"^ origin. 
1 _„f,iii-i?. 
Area of strij) on liase /( 
lo 
