Math, asked by gudiyanoor9, 8 months ago

the curved surface area of a sphere is 2464cm².find its radius​

Answers

Answered by aryanpr115
0

Answer:

radius = 28cm

Step-by-step explanation:

PLEASE MARK AS BRAINLIEST

area of circle =2464 cm^2

formula=pi r^2

22/7*r^2=2464

take 22/7 to 2464

r square= 2464*7/22=784

the square root of 784=28

therfore the radius is 28

Answered by sonisiddharth751
36

Answer:

\Large\sf\underline\red{answer} \\  \\ \Large{\boxed{\mathfrak\red{\fcolorbox{magenta}{aqua}{14cm}}}} \\  \\ \\  \Large\sf\underline\red{solution} \\  \\\sf surface \: area \: of \: sphere \:  = 4\pi {r}^{2}  \\  \\\Large\sf\underline\red{given}  \\  \\\sf surafce \: area \: of = 2464 {cm}^{2} \\  \\  \sf\therefore \: 2464 = 4\pi {r}^{2}  \\  \\\sf 2464 = 4 \times  \frac{22}{7}  \times  {r}^{2}  \\  \\  \sf{r}^{2}  =  \frac{2464 \times 7}{4 \times 22}  \\  \\ \sf {r}^{2}  = 196 \\  \\\sf  r =  \sqrt{196}  \\  \\\Large{\boxed{\mathfrak\red{\fcolorbox{magenta}{aqua}{r = 14cm}}}}

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