Question 452799
{{{A=(bh)/2}}} Start with the given area of a triangle formula



{{{A=((12)(9))/2}}} Plug in {{{b=12}}} and {{{h=9}}}



{{{A=(108)/2}}} Multiply {{{12}}} and {{{9}}} to get {{{108}}}



{{{A=54}}} Divide {{{108}}} by {{{2}}} to get {{{54}}}



So the area of the triangle is 54 square ft.