FARM AND SCHOOL PROBLEMS. 



(a) 



DIFFERENCES IN DISTANCES 



AROUND FIELDS OF LIKE 



AREAS. 



Figure (a) represents a cir- 

 cular field containing 10 acres. 

 Find circumference. 



(b) 



1C 



Figure (b) represents a field 

 in the form of a square con- 

 taining 10 acres. Find number 

 of rods of fence required to 

 enclose it. 



Figure (c) represents a field 

 in the form of a rectangle, the 

 length being twice the width, 

 the area being 10 acres. Find 

 number of rods around the 

 field. 



Figure (d) represents a 

 field in the form of an equi- 

 lateral triangle, containing 10 

 acres. Find number of rods 

 of fence required to surround 

 it. 



