What’s the answer? i really need help ???

C, 288 square yards

Step-by-step explanation:

The first step is to find the area of the triangular base. . Now you can multiply by the length of the prism, 12, to find the volume. 12*24=288, or option C. Hope this helps!

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°