Answer:
B. 960 units²
Explanation:
find the area of each surface
the area for a triangle is 1/2(b×h), and there are q triangles here, so just do b×h
y×h = 24×16 = 384
next, find the area of the bottom and sides of the prism.
x×z = 20×9 = 180
180 × 2 = 360
z×y = 9×24 = 216
finally, add all of those together
384+360+216 = 960 units²