3.14 multiplied by 21 is 65.94
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for the surface area:4 times pie times radius squared for volume:4/3 times pie times radius cubed
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i cant get the pie sign so whenver theres a ^ it means pie (3.14....)JUST REMEMBER.....Cherry pies are delicousC=^dcircumferance= pie times diameterapple pies are too!A=^r2area= pie times radius 2
if it was apple, and warm, then yes i would die 1000 times for pie OR hot chocolate pie with melty insides ahhhhhhhh!YUM! :) ,<><><><><><<<><<><><
21 times 6 is 126