19 lines
No EOL
468 B
C++
19 lines
No EOL
468 B
C++
#include <iostream>
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//heron: https://en.wikipedia.org/wiki/Heron%27s_formula
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//glasi: a=sqrt(s(s-a)(s-b)(s-c))
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//operatori: *,/,sqrt
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/*
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Heronova formula tvrdi da je površina A, trokuta čije su stranice a, b i c, jednaka:
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a=sqrt(s(s-a)(s-b)(s-c))
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*/
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int main() {
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double s1, s2, s3;
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std::cout << "unesi 3 stranice:";
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std::cin >> s1 >> s2 >> s3;
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const int s = (s1 + s2 + s3) / 2;
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std::cout << "povrsina je: " << (std::sqrt(s*(s - s1)*(s - s2)*(s - s3)));
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} |