Question

if the area of the circle is 44 cm2 ,find its circumference a) 11cm square b)11 cm c)22 cm square d) none of these​

Answer 1

Answer:

Required Answer:-

In a circle

Area =44cm^2

as we know that in a Circle

${\boxed{\sf {Area={\pi}{r}^{2}}}}$

• Substitute the values

$\longrightarrow$$\sf {44={\dfrac {22}{7}}×r {}^{2}}$

$\longrightarrow$$\sf {r {}^{2}=44×{\dfrac {7}{22}}}$

$\longrightarrow$[tex]r=14cm

Answer 2

Answer:

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