Question 956357
A=area=20 sq ft; b=base=5 ft; h=height=length
{{{A=(1/2)bh}}}
{{{20ft^2=(1/2)(5ft)h}}}
{{{20ft^2=2.5(h)ft}}} Divide each side by 2.5 ft
{{{8ft=h}}} ANSWER: The height (length) is 8 feet.