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- /******************************************************************************
- #3806 Mediane
- Se dau lungimile laturilor unui triunghi ABC. Aflați lungimile medianelor duse din A,B si C.
- *******************************************************************************/
- #include <iostream>
- #include <cmath>
- #include <iomanip>
- using namespace std;
- int main()
- {
- int ab,bc,ca; //mab=mediana care pica pe ab mbc=mediana care pica pe bc
- double mab,mbc,mca;
- cout<<"AB= ";
- cin>>ab;
- cout<<"AC= ";
- cin>>ca;
- cout<<"BC= ";
- cin>>bc;
- mab=sqrt(((2*bc*bc)+(2*ca*ca)-(ab*ab))/4); //teorema lui Stewart
- mbc=sqrt(((2*ab*ab)+(2*ca*ca)-(bc*bc))/4);
- mca=sqrt(((2*bc*bc)+(2*ab*ab)-(ca*ca))/4);
- cout<<"Mediana care pica pe ab este egala cu "<<setprecision(2)<<mab<<" , cea care pica pe ac este egala cu "<<setprecision(2)<<mca<<" , iar cea care pica pe bc este egala cu "<<setprecision(2)<<mbc<<endl;
- return 0;
- }
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