1.write a program in C# to find a given point which is
inside in a circle. Given circle's radius and its center
point?
2.Write a program in C# to generated 20 prime numbers
greater than a given number? (It should be more efficient
for large numbers also)
3. Write a Code to check whether a given point is inside a
circle or not? given Circle's raduis and its center point.
4. using oops concept, design an elevator do not forget
buttons on each floor..
Answers were Sorted based on User's Feedback
Answer / chandra kiran
answer for 3rd question
static void Main(string[] args)
{
Console.Write("Please Enter the radius of the circle : ");
int r = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Please Enter the center of the circle ");
Console.Write("Please Enter x coordinate of the centre : ");
int x1 = Convert.ToInt32(Console.ReadLine());
Console.Write("Please Enter y coordinate of the centre : ");
int y1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Please Enter the Point ");
Console.Write("Please Enter x coordinate of the point : ");
int x2 = Convert.ToInt32(Console.ReadLine());
Console.Write("Please Enter y coordinate of the point : ");
int y2 = Convert.ToInt32(Console.ReadLine());
int check =Convert.ToInt32(Math.Sqrt(Math.Pow(x2-x1,2)+Math.Pow(y2-y1,2)));
if (check < r)
Console.WriteLine("Inside the Circle");
else if (check == r)
Console.WriteLine("On the Circle");
else
Console.WriteLine("Outside the Circle");
}
//don't enter centre of the circle and point (1,2) ,(5,6) like this enter each coordinate individually
Is This Answer Correct ? | 8 Yes | 2 No |
Answer / ganesh
take 4 textboxes , cx=centre x, cy=centre y, r=radius,
x=x co-oridnate, y=y co-ordinate.
double d;
calculate the distnace between centre and point taken
if distance less than radius(inside) else outside
simple
d = Math.Sqrt(Math.Pow((int.Parse(cx.Text) - int.Parse(x.Text)), 2) + Math.Pow((int.Parse(cy.Text) - int.Parse(y.Text)), 2));
if (d <Double.Parse( r.Text))
Label1.Text = "inside";
else
Label1.Text = "outside";
Is This Answer Correct ? | 5 Yes | 1 No |
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