Question

The circumference of a circular field is 308m



(i) circumference


(i) radius
(ii) area
​

Answer 1

hey mate here is your answer

given , circumference = 308m

(i) we have ,

$c = 2\pi \: r$

$308 = 2 \times \frac{22}{7} \times \: r$

$154 \times \frac{7}{22} = r$

$r = 7 \times 7$

$r = 49$

therefore radius =49m

(ii)we have,

$area = \pi \: {r}^{2}$

$= \frac{22}{7} \times 49 \times 49$

$= 7456 {m}^{2}$

hope it may help you

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