Split the shape in 3 rectangles
4x2=8x2= 16 ( the bottom and top rectangle)
6x2= 12 (middle rectangle)
16+12=28
Answer - 288
Step-by-step explanation:
i use the formula V=a2 h/3
The fromula of a slope:

a) (-1, -8), (-7, -4)
substitute

b) (2.1, 3.8), (3.1, 7.6)
substitute

Answer:
Hi please mark me as brainliest
Step-by-step explanation:
It's A