Math, asked by economic7653, 1 year ago

A 10 inch square is inacribed in circle find the aresa of circle

Answers

Answered by dikshaverma4you
3
Hey, I have attached the solution to your question. Hope it helps you. :-)

The answer is 157.14 inch² ....
The value of π which I have taken is 22/7 . You can also solve it by taking the value of π = 3.14 ...

Thanks !
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Answered by Dwellon
14

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Construction:Join Ac

In ∆ABC

By Pythagoras theorem:

\bold{\boxed{ {AC}^{2}  =  {AB}^{2}  +  {BC}^{2}}}

 =  >  {AC}^{2}  =  {10}^{2}  +  {10}^{2}

 =  >  {AC}^{2}  = 100 + 100

 =  >  {AC}^{2}  = 200

 =  > AC = 10 \sqrt{2}

Now,AC is the diameter of the cirlce

It's radius =10√2/2=5√2inch

\bold{\boxed{ =  > Area \: of \: circle = \pi {r}^{2}}}

 =  >  \frac{22}{7}  \times  {(5 \sqrt{2}) }^{2}

 =  >  \frac{22}{7}  \times 25 \times 2

 =  >  \frac{22 \times 50}{7}  =  \frac{1100}{7}  = 157.14

 =  > 157.14 {inch}^{2}

∴Area \: of \: circle \: is \: 157.14 {inch}^{2}

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