The radius of a circle is 14 cm Find the radius of a circle whose area is double of area of the circle
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Given that radius of a circle = 14 cm
We know that area of the circle = πr2
Area of the second circle = Double of area of the first circle
πR² = 2 ×πr²
⇒ R² = (2 × πr² )/ π
⇒ R² = 2 × r²
⇒R = √2 ×r
∴ R = √2 × 14
R = 14√2 cm
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