Let consider the intervals I1 = [-, ], I2 = [5, 99], and I3 = ]-50, -4[. ( [, ]

Question

Let consider the intervals I1 = [-, ], I2 = [5, 99], and I3 = ]-50, -4[. ( [, ] for inclusive and ], [ for excusive) Write a C++ script to perform the following: 1) Define PI () as a constant and set it value rounded to 4 decimal places. 2) Ask the user to enter a real number 3) Save the user response as a variable a of type float 4) If a belongs to the interval I1 = [-, ] , display on the console “a is between – PI and PI” and “a is not between –PI and PI” otherwise. 5) If a belongs to the interval I2 = [5, 99] , display on the console “a is between 5 and 99” and “a is not between 5 and 99” otherwise. 6) Ask the user to enter a the value of an angle in degrees, you save the entry as angleInDegrees. Compute its value in radians into the variable angleInRadians; print out: The angle you enter in degree is equivalent to angleInRadians radians. 7) Ask the user to enter the coordinates of two points A = (x1, y1) and B = (x2, y2) 8) Save the variables x1, y1, x2, and y2 as type float 9) Display on the console the coordinates of the mid-point M = ((x1 + x2)/2, (y1 + y2)/2) between A and B 10) Display on the console the distance between A and B using the relation: distance = sqrt((x2 - x1)2 + (y2 - y1)2 )

Explanation / Answer

#include <math.h>

float a;

cout<<" Please enter any real number";

cin>>a;

if ( a >= -PI && a<=PI)

cout<<" a is between – PI and PI";

else

cout<<" a is not between –PI and P";

if ( a >= -5 && a<=99)

cout<<" a is between 5 and 99";

else

cout<<" a is not between 5 and 99";

float angleInDegrees;
float anglesinRadian;
cout<<" Please Enter value of any angle in degree";
cin>>anglesinDegrees

anglesinRadian = ((anglesinDegrees * PI)/180);
cout<<anglesinRadian<< The angle you enter in degree is equivalent to angleInRadians radians;

float x1,x2,y1,y2;
cout<<"Enter the co-ordinates of first point";
cin>>x1>>y1;
cout<<"enter the co-ordinates of second point";
cin>x2>>y2;
float z1= ( (x1+x2)/2);
float z2=((y1+y2)/2);
cout<< " The mid point of points are";
cout<<z1<<","<<z2;

float temp= ((x2-x1)/2)+((y2-y1)/2))
float distance= sqrt(temp);
cout<<"the distance between two point is";
cout<<distance;

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