Question

Someone plz help me with this problem

Answer 1

`\it \mathcal{V} =\frac{\mathcal{A}_b\cdot h}{3} = (9\cdot10)/(3) = 30`

Answer 2

the area is v=1/3ah so now we plug in
1/3(10)(9)
1/3(90)= 30
:)