Answer
290 $in^{2}$
Work Step by Step
Given A right triangle has one leg measuring 20 in. and a hypotenuse measuring 29 in
To find area of triangle
Area of triangle = $\frac{1}{2}$b* h
= $\frac{1}{2}$* 20 * 29
= 10 * 29
= 290 $in^{2}$
Area of right triangle = 290 $in^{2}$