Question

2) If radius
=21 cm, then Area =​

Answer 1

Answer:

Given radius of the circle = 21cm

Area of the circle = πr²

⇒ 22/7 x 21²

⇒ 22/7 x 21 x 21

⇒ 22 x 3 x 21

⇒ 66 x 21

⇒ 1386cm²

∴ Hence, the area of the circle is 1386cm²

Thnx and have a nice day!

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Answer 2

Answer:

r=21

area=πr²

         22÷7×21×21

          22×21×3

         462×3

         1386cm

Step-by-step explanation: