当给定全等圆的另一个等弦所对的角度时，该弦对圆心所对的角度

给定的是具有两个相等和弦的两个全等圆。给出了从其中一个圆的弦对着中心的角度。任务是找到弦对另一个圆的中心的角度。
例子：

Input: z = 48
Output: 48 degrees

Input: z = 93
Output: 93 degrees

方法：

• 在三角形AOB和PXQ

AO = PX(radii of congruent circles)
BO = QX(radii of congruent circles)
AB = PQ(equal chords)

• 所以三角形AOB与三角形PXQ全等
• 所以，角AOB = 角PXQ

Equal chords of congruent circles subtend equal angles at their centres.

下面是上述方法的实现：

C++

// C++ program to find the angle subtended by the chord
// to the centre of the circle when the angle subtended
// by another equal chord of a congruent circle is given
 
#include 
using namespace std;
 
void anglequichord(int z)
{
    cout << "The angle is " << z
         << " degrees" << endl;
}
 
// Driver code
int main()
{
    int z = 48;
    anglequichord(z);
    return 0;
}

Java

// Java program to find the angle subtended by the chord
// to the centre of the circle when the angle subtended
// by another equal chord of a congruent circle is given
 
import java.io.*;
 
class GFG
{
     
static void anglequichord(int z)
{
    System.out.println ("The angle is " + z + " degrees");
}
 
// Driver code
public static void main (String[] args)
{
 
    int z = 48;
    anglequichord(z);
 
}
}

Python 3

# Python 3 program to find the angle subtended by the chord
# to the centre of the circle when the angle subtended
# by another equal chord of a congruent circle is given
 
 
def anglequichord(z):
    print ("The angle is " , z
        , " degrees")
 
# Driver code
if __name__ == "__main__":
    z = 48
    anglequichord(z)
 
# This code is contributed by ChitraNayal

C#

// C# program to find the angle subtended by the chord
// to the centre of the circle when the angle subtended
// by another equal chord of a congruent circle is given
using System;
 
class GFG
{
     
    static void anglequichord(int z)
    {
        Console.WriteLine("The angle is " + z + " degrees");
    }
     
    // Driver code
    public static void Main ()
    {
     
        int z = 48;
        anglequichord(z);
    }
}
 
// This code is contributed by AnkitRai01

Javascript

// javascript program to find the angle subtended by the chord
// to the centre of the circle when the angle subtended
// by another equal chord of a congruent circle is given
 
 
function anglequichord(z)
{
    document.write("The angle is " + z + " degrees");
}
 
// Driver code
 
var z = 48;
anglequichord(z);
 
// This code is contributed by Amit Katiyar
 

输出：

The angle is 48 degrees

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