Help with geometry?

Area of a triangle =   base * height/2 = b* h/2

In this case, b = 1/2 h    or,   put another way........2b = h

So   .....substituting this into the area "formula".....we have.....

196  = b*h /2  =   b[2b]/ 2   = [2b*b]/2  = b^2

196  = b^2       take the square root of both sides

14  = base    and the height is twice this  = 28

Height=h

Base =h/2

Area= [Base x Height] /2

Area=28 x 14=392/2=196 Sq. units.

Solve for h:

h^2/4 = 196

Multiply both sides by 4:

h^2 = 784

Take the square root of both sides:

Answer: | h = 28        and        Base=28/2=14

Ty for your help.