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Find the area of a circle of radius 30 c...

Find the area of a circle of radius `30 cm` (use `pi=3.14`)

Text Solution

Verified by Experts

Radius of the circle = R = `30 cm`
So the required area
= `π × R² Sq.cm`
=` π × 30² Sq.cm`
...
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Knowledge Check

  • Find the circumference of a circle of radius 10 cm. (Take pi = 3.14.]

    A
    `72.8cm`
    B
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  • The area of a circle, whose radius is 14 cm, is :

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    C
    40.5 `cm^(2)`
    D
    616 `cm^(2)`

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