Question

if the radius of a circle is increased by 75 then its circumference will increase by​

Answer 1

Answer:

$r \: = \: 75 \\ \\ circumference \: = 2\pi \: r \\ \\ = > \: 2 \times \frac{22}{7} \times 7 \\ \\ { \:\pi = \frac{22}{7} } \\ = > 471.428571$

( π = 22/7 )

=> 471.4