STEP 1: find radius $ r $
To find radius $ r $ use formula:
$$ d = 2 \cdot r $$After substituting $ d = 12 $ we have:
$$ 12 = 2 \cdot r $$ $$ r = \dfrac{ 12 }{ 2 } $$ $$ r = 6 $$STEP 2: find volume $ V $
To find volume $ V $ use formula:
$$ V = r ^{ 2 } \cdot h \cdot \pi$$After substituting $ r = 6 $ and $ h = 10 $ we have:
$$ V = 6 ^{ 2 } \cdot 10 \cdot \pi$$$$ V = 36 \cdot 10 \cdot \pi $$$$ V = 360\pi $$