Question

The area of a circular plot is 15400 sq.m. The radius of the plot is ​

Answer 1

Answer:

radius of circular plot is 70m

Step-by-step explanation:

given that :

area of circular plot is 15400 sq.m = 15400$m^2$

in general formula for area of circle is π$r^2$

where r = radius.

let us equate it as :

π$r^2$ = 15400$m^2$

$r^2$ = (15400/π) $m^2$

value of π can be taken as (22/7)

$r^2$ = $(15400)$ ÷ $(22/7)$

$r^2$ = $(15400)$$(7)/(22)$

$r^2$ =( 107800)/(22)

$r^2$ = 4900  $m^2$

r = 70 m =radius