The base of the pyramid is a right triangleThe volume is ____ cubic cm.
V = area of base * height / 3
area of base = product of leg lengths of the right triangle / 2 = 10 * 12 / 2 = 60
So
V = 60 * 20 / 3 = 1200 / 3 = 400 cm^3
You were correct, Thank You :)