Question

If the radius of the circle is21cm.Find the area​

Answer 1

Answer:

Write all steps

Step-by-step explanation:

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Answer 2

Answer:

1386 cm²

Step-by-step explanation:

We know the area of a circle = πr²

So, given that radius = 21cm, r = 21cm

Thus, area of circle = π * 21²

-> 22/7 * 21 * 21

Thus, area of the circle = 22 * 21 * 3 cm²

Therefore, area of the circle = 1386 cm²