Answer :
8 x 5/2 = 40/2 = 20 units
We find the area of a four sided shape by multiplying the height and the base of the shape, since a right triangle is half a four sided shape, we just divide that by 2.
We find the area of a four sided shape by multiplying the height and the base of the shape, since a right triangle is half a four sided shape, we just divide that by 2.