Answer:
A=6
Step-by-step explanation:
If the area is enclosed by x(0,4) and y(3)
That means the area is a triangle
h(height) =3 b=4 c**2=a**2+b**2 c=5
The area of an equlateral triangle is A=h*b/2
A=3*4/2=12/2
86 + 86 x 5 = 516
18 + 18 x 5 = 108
516 + 108 = 624
= 8