Question 1028073
The area of a trapezoid is given by
{{{A = (h/2)(b[1] + b[2])}}}
Now plug in and solve for h...
{{{112 = (h/2)(15 + 13)}}}
{{{112 = (h/2)(28)}}}
{{{112 = 14h}}}
{{{h = 8 feet}}}