Question

(I already wrote in this but its wrong) help please

Answer 1

Answer:

C)

Step-by-step explanation:

As it is given,

It takes 40m wire to snvlose the field which is the perimeter of the field.

Given, b = x(base)

Let the lenght be l

2(l+ x) = 40m

=> l+x = 20m

=> l = 20 - x

Area of the field = l×b = (20-x)x = -x² + 20x