Question

Please help im so confused??

Answer 1

Formula for volume of cylinder
= Base Area × Height
= Area of circle × Height
= pie × radius^2 × Height
= pie × (12)^2 × 15
= pie × 144 × 15
{Break down the numbers for mental sums}
= pie × [(144 × 10) + (144 × 5)]
= pie × [1440 + 720]
= pie × 2160
= 2160pie units^3

Hope this helps! :)

Answer 2

hope this helps !! just use the formula and put the numbers in :))