Question

If the diameter of a circle is 6cm then, what is its area?

Answer 1

Answer:

28.28 (approx) cm²

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Answer 2

Answer:

Area of circle is

$28.27 {cm}^{2}$

Step-by-step explanation:

Given that

Diameter of circle is 6cm.

To calculate

Area of circle

Solution

As we know that

$area \: of \: circle = \pi \times {radius}^{2}$

As here diameter is given and we know that radius is always half of its diameter hence

$radius = \frac{6}{2}$

hence

$radius = 3cm$

hence

$area \: of \: circle = \pi \times {3}^{2}$

put

$\pi = \frac{22}{7}$

$area \: of \: circle = \frac{22}{7} \times 9$

hence by multiplication and division we get

$area \: of \: circle = 28.27 {cm}^{2}$