Question

find the area of a circle whose radius is 2cm, also find its circumference. use (π=3.14​

Answer 1

Answer:

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Answer 2

$\large\mathrm{Solution - }$

Area of circle

$\mathrm{\pi \: {r}^{2} }$

$\mathrm{ = 3.14 \times 2cm \times 2cm}$

$\mathrm{\therefore12.56 {cm}^{2} }$

Circumference

$\mathrm{2\pi \: r}$

$\mathrm{ = 2 \: \times 3.14 \times 2cm}$

$\mathrm{\therefore \: 12.56cm}$