Question

The diameter of a circular park is 60m calculate the circumference of the park in metre. (please ans step by step)​

Answer 1

$circumference \: of \: circle = 2\pi \ r \\therefore \: 60 \div 2 = 30 = r \: \\ 2 \times 22 \div 7 \times 30 \\ circumference of \: circle \: = 188.57$