Question

a rectangular field is to be fenced with a double wire fencing the length and breadth of the field are 5cm and 3.5cm find the coast of fencing if the cost of wire is rupee 20 per m

Answer 1

l = 5cm
b = 3.5cm
fence is = l × b
= 5×3.5
=16.5 cm
cost of wire= rupees 20per m
change cm into m = 0.165 m
= 0.165× 20
= 0.3300 per m
or
0.33 per m