Question

10. The area of a rectangular field is 465 m² and its length is 31 m. Find the
a) breadth of the field - 15 metre
b) cost of fencing it at the rate of $15.50 per metre. 1426 F By​

Answer 1

Answer:

area=lengthxbreadth

465=31*b

b=465/31=15m

cost of fencing

465*15.5=7207.5rupees

Answer 2

Answer:

$l \times b = 465 {}m^{2} \\ 31 m\times b = 465 {m}^{2} \\ b = 465 {m}^{2} \div 31m \\ b = 15m - 15m = 0$