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R_Ngoai_Tiep_Tam_Giac_Vuong.cpp
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// R_Ngoai_Tiep_Tam_Giac_Vuong.cpp #include <iostream> #include <math.h> using namespace std; int main() { int a,b; float r,c; cout<<"Nhap do dai 2 canh goc vuong a,b: "; cin>>a>>b; c = sqrt(pow(a,2) + pow(b,2)); r = c / 2; cout<<"Ban kinh duong tron ngoai tiep R = "<<r; return 0; }