Answer:
486
Step-by-step explanation:
Formula for cylinder V=πr²h
7.5/2 = 3.75
3.75² = 14.0625
π(14.0625)(11) = 485.965113602
Idk oof
$52.324
y+30+2y=180
Add like terms
3y+30=180
Subtract 30 on both sides
3y=150
Divide by 3 on both sides
y=50
Now all you have to do i calculate the angles.
Answer:456.63