Math, asked by blue28, 11 months ago

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Answered by ankushsaini23
6

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Answered by Anonymous
14

{\red{\underline{\underline{\bold{Given:-}}}}}

  • Radius of one circle = 8cm
  • Radius of another circle = 6cm

{\blue{\underline{\underline{\bold{To\:Find:-}}}}}

  • The radius of the circle having area equal to the sum of the areas of the two circles

{\green{\underline{\underline{\bold{Solution:-}}}}}

Radius of first circle = 8cm

Area of first circle = π{r}^{2}

= π×{8}^{2} \\ \\</p><p></p><p>= 64π {cm}^{2}

Radius of second circle = 6cm

Area of second circle = π{r}^{2}

= π×{6}^{2} \\ \\</p><p></p><p>= 36π{cm}^{2}

Sum of areas of two circles

= 64π + 36π

= 100π{cm}^{2}

Radius =

\sqrt {\frac{Area}{π}}\\ \\</p><p></p><p>= \sqrt {{100π}{π}} \\ \\</p><p></p><p>= \sqrt{100} \\ \\</p><p></p><p>= 10cm

_______________

Formulas used :-

  • Area of circle = π{r}^{2}

  • Radius of circle = \sqrt {\frac{Area}{π}}
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