Given a right angle triangle with area 20 units and length of one leg is 10 units.
Formula for area of right angled triangle
[tex]\begin{gathered} =\frac{1}{2}\times base\times height \\ 20=\frac{1}{2}\times10\times h \\ h=4\text{ units} \end{gathered}[/tex]Hence, required height is 4 units.
