28 lines
660 B
C++
28 lines
660 B
C++
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#include <iostream>
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int main() {
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double circle_area;
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double circle_circum;
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double pi;
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double r;
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double sphere_surf_area;
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double sphere_vol;
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/* Begin program */
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pi = 3.1415;
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r = 8.0;
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circle_area = pi * r * r;
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circle_circum = pi * 2 * r;
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sphere_vol = (4.0 / 3.0) * pi * r * r * r;
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sphere_surf_area = 4 * pi * r * r;
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/* End program */
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std::cout << "circle_area: " << circle_area << std::endl;
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std::cout << "circle_circum: " << circle_circum << std::endl;
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std::cout << "pi: " << pi << std::endl;
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std::cout << "r: " << r << std::endl;
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std::cout << "sphere_surf_area: " << sphere_surf_area << std::endl;
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std::cout << "sphere_vol: " << sphere_vol << std::endl;
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}
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