<Tr> <Th> Uses </Th> </Tr> <Tr> <Td> <Ul> <Li> Area of a circle </Li> <Li> Circumference </Li> <Li> Use in other formulae </Li> </Ul> </Td> </Tr> <Ul> <Li> Area of a circle </Li> <Li> Circumference </Li> <Li> Use in other formulae </Li> </Ul> <Li> Area of a circle </Li>

Who found the first known value of pi