Question

the circumference of a circle is 440 cm . Find it's radius and diameter .( take pi 22/7)​

Answer 1

$Circumference \: of \: the \: circle = 2πr = 440 cm$

$πr = 220$

$r = 220 × 7 / 22$

$r = 70 cm.$

d = 2 × r = 2 × 70 = 140

Here π = 22/7 , r = radius of the circle , d = diameter of the circle

$Hope \: it \: helps \: .....$