the length and breath of a rectangular garden are in the ration 3:2. if its length is 150 m, find the area in hectares

Question

s.n chhibbers -7th cbsc maths -pperimemter chapter

Answer 1

Length to width = 3:2

Length = 150 m = 3(50) 

Width = 2(50) = 100 m

 

Check:  150/100 = 3/2 

 

The area in m² = 150(100) = 15000 m²

 

Conversion rate for ha to m²:  1 hectare = 10000 m²

 

(15000 m²)/(10000 m²/ha) = 1.5 hectares