UVa 10432 – Polygon Inside A Circle

Problem Link

Full Circle= 2*pi;

if n-gon is inside the circle then it is make a triangle for each division if we attach the

nodes,so that for each triangle the angle will be 2*pi/n;

for each triangle the area will be A=r*r*sin(2*P/n)/2)

total area =n*A

For extra info,Click here!

<Source Code>

#define P 2*acos(0.0)
int main()
{double n,r;
while(scanf(“%lf %lf”,&r,&n)!=EOF)

return 0;


About waprogramming

I am in CSE,from CUET
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