Computers And Technology High School

The circumference of the circle is 33.912 The area of the circle is 91.5624
// This program will output the circumference and area
// of the circle with a given radius.

#include
using namespace std;
const double PI = 3.14;
const double RADIUS = 5.4;
int main()
{

_________ area; // definition of area of circle

float circumference; // definition of circumference
circumference = 2 * PI * RADIUS; // computes circumference

area =_____________; // computes area

// Fill in the code for the cout statement that will output (with description)

// the circumference

// Fill in the code for the cout statement that will output (with description)
// the area of the circle

return 0;

}

Answers

Answer 1

Given: The circumference of the circle is 33.912 and The area of the circle is 91.5624The formula for circumference is given by.Circumference

= 2 × π × RadiusWhere π

= 3.14 and Radius

= 5.4 units.Circumference

= 2 × 3.14 × 5.4Circumference

= 33.912As per the question, circumference of the circle is 33.912.The formula for the area of the circle is given by:Area

= π × Radius2Area

= πr2Where π

= 3.14 and Radius

= 5.4 units.Area

= 3.14 × (5.4)2Area

= 3.14 × 29.16Area

= 91.5624As per the question, the area of the circle is 91.5624.Now, we have to fill in the blank spaces of the given code snippet:#include using namespace std;

const double PI

= 3.14;const double RADIUS

= 5.4;int main(){ double area;

// definition of area of circlefloat circumference;

// definition of circumferencecircumference

= 2 * PI * RADIUS; // computes circumference area

= PI * RADIUS * RADIUS;

// computes areacout << "Circumference of circle is " << circumference << endl;

cout << "Area of circle is " << area << endl;

return 0;

}

Hence, the required output is:Circumference of circle is 33.912Area of circle is 91.5624.

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