Question

you have to find the volume of this figure

Answer 1

area of lower triangular prism:
1/2 x L x H X W
1/2 x 8 x 4.5 x 30 = 540

area of top triangular pyramid
1/3 x B x H
B = 1/2 bxh = 1/2 x 8 x 4.5 = 18

1/3 x 18 x 10 = 60

total volume = 540 + 60 = 600 cubic cm