Circle and square have same center point and area. Calculate angle of curves outside the square. Result in degrees.

Answer: 55,2, but how to get it?

Question

Circle and square have same center point and area. Calculate angle of curves outside the square. Result in degrees.

Answer: 55,2, but how to get it?

.sam. · Answer

my guess its like this|dw:1337587577745:dw|

anonymous · Answer

get radius by calculation and calculate the angle after finding the two points of intersections of circle with a side by coordinate geometry..assume the centre to be the origin..after getting the two points use the vector method to calculate the angle between the position vectors of those two points..

anonymous · Answer

ok thx

anonymous · Answer

it can be done easily without coordinate geometry too..

anonymous · Answer

|dw:1337588374011:dw| here  a  is the side of square.........
 using arccos([a/2] / [a/sqrt(pi)] )
that is - form the triangle..u know two sides in terms of a and use them to find the angle..