Question

Area of a circle is 154cm², find its circumference .​

Answer 1

Answer:

44 cm

Step-by-step explanation:

Area = π$r^{2}$

Take value of π as 22/7

π$r^{2}$ = 154

$\frac{22}{7} r^{2} = 154$

$r^{2}$ = 154 * $\frac{7}{22}$

$r^{2}$ = 49

r = 7

Circumference = 2πr

= 2 * $\frac{22}{7}$ * 7

= 44 cm

Answer 2

Step-by-step explanation:

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