Respuesta :

taylah89
The answer for this question is 22.25, the easiest way to work out the area of a triangle is to use a triangle area calculator.
devishri1977

Answer:

Step-by-step explanation:

Area=√s(s-a)(s-b)(s-c)

here s = a+b+c/2

[tex]s=\frac{14+12+4}{2}=\frac{30}{2}=15\\\\s-a=15-14=1\\\\s-b=15-12=3\\\\s-c=15-4=11\\\\Area=\sqrt{15*1*3*11}=\sqrt{3*5*3*11}=3\sqrt{5*11}=3\sqrt{55}[/tex]