Question

how much wire will be needed to make a rectangle 7 cm long and 4cm wide ?

Answer 1

U will have to find out the perimeter of he rectangle to find the amount of wire which is needed.
Perimeter= 2(l+b)
2(7+4)
2*11
22 cm.

Answer 2

22cm long.......
to know the value we need the perimeter
and perimeter of rectangle is 2(l+b)
2(7+4)
2×(11)
22cm