A district is 40km long and 18 km wide. Find the area of district in (a) hectares (b) m²

Asked by ektasinghmsw | 23rd Jun, 2019, 10:17: AM

Expert Answer:

The districts is 40 km long 
Thus, l= 40 km 
Also, it is 18 km long 
b = 18 km
Area = l x b = 40 x 18 = 720 km2 
1 km2 = 100 hectares
a) 720 km2 = 72000 hectares
 
b) 1 km2 = 1 x 106 m2 
Thus, 720 km2 = 720 x 106 m2 
 
 

Answered by Shiwani Sawant | 23rd Jun, 2019, 07:05: PM