First, divide the shape into two figures ( a semicircle and a rectangle)
Then, find the are or the two shapes using the area formula for a semicircle (

) and the are formula for a rectangle (base x height)
Finally, add the two areas together and you have your answer
3/5 = 3/y
40 = 3y
Divide both by 3
Answer= 13.3
set them equal to their sum. which in this case is 141 then solve for x and plug it into your original equation to get your answer.
Answer:
1875.6 in³
Step-by-step explanation:
(⅓×3.14×8²×12) + (⅔×3.14×8³)
1875.626667 in³
-7/3, -3/4, 0.5, 2/3, 1.2
Brainliest please