Question

The diameter of a circle is 20cm. Taking pi =3.14 find it’s circumference and it’s area

Answer 1

Step-by-step explanation:

Circumference of circle = 2 pi r

= 2 × 3.14 × 10

= 62.8 cm

Area = pi r²

= 3.14 × 10 × 10

= 314 cm²

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Answer 2

Heya mate!!

Area of a circle is πr^2

Here r is 10cm

Circumference of a circle is 2πr

$area = \pi {r}^{2} \\ 3.14 \times 10 \times 10 \\ 314 {cm}^{2}$

$circuference - 2\pi \: r \\ 2 \times 3.14 \times 10 \\ 62.8cm$

Hope it helps u dear✌️✌️