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```				   Four unit circles pass through the origin and have their centres on the coordinate axis.What is the area of the quadrilateral whose vertices are the point of intersection(in pairs) of the circles?
```

6 years ago

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```										Dear aniket

equation of circles are
(x-1)^2 + y^2 =1
(x+1)^2 + y^2 =1
(y-1)^2 + x^2 =1
(y+1)^2 + x^2 =1

point of intersection are (1,1) , (1,-1) , (-1,1) and (-1,-1)

this the vertex of square of side 2

so area = 2*2 =4

Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you
the answer and detailed  solution very  quickly.

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6 years ago

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