Volume of prism = Area of base * height = 1/2* (square root of 5) * (square root of 5)*10 = 25
Right triangle PQR is the base of the prism in the figure above. If PQ=PR=âˆš5 and the height of the prism is 10, what is the volume of the prism?

1: 5
2: 10
3: 15
4: 20
5: 25