An easier way to do this is to look at the number of sides (9) and subtract it by 2 (7). Then you can just multiply that number by 180 this works for every polygon
First, you multiply $55.96 by $0.12 and you get $6.7152. Then, multiply $49.96 by $0.14 and you get $6.9944. If you subtract $69944-$6.7152 you get your answer which is $0.2792.
We have that the Volume of cone=(1/3)*B*h B=the area of the base h= the height of the cone D=3.5 in-----------------> r=D/2=1.75 in h=5 in B=pi*r²---------> 3.14*1.75²=9.616 in² V=(1/3)*9.616*5=48.08 in³--------> 48 in³
