Program TamGiac; Uses crt; Var a, b, c, s, p: extended;
Begin Clrscr; Write(‘Nhap do dai 3 canh: ‘); Readln(a, b, c); p := (a + b + c) / 2; s := sqrt(p * (p – a) * (p – b) * (p- c)); Writeln(‘Chu vi = ‘,p * 2 : 0 : 2); Write(‘Dien tich = ‘,s :0 : 2); Readln End.
uses crt;
var a,b,c:integer;
p:real;
begin
clrscr;
write(‘nhap a:’);readln(a);
write(‘nhap b:’);readln(b);
write(‘nhap c:’);readln(c);
clrscr;
p:=(a+b+c)/2;
writeln(‘Chu vi hinh tam giac la: ‘,a+b+c);
write(‘Dien tich hinh tam giac la: ,sqrt(p*(p-a)*(p-b)*(p-c)):0:2);
readln;
end.
Program TamGiac;
Uses crt;
Var a, b, c, s, p: extended;
Begin
Clrscr;
Write(‘Nhap do dai 3 canh: ‘); Readln(a, b, c);
p := (a + b + c) / 2;
s := sqrt(p * (p – a) * (p – b) * (p- c));
Writeln(‘Chu vi = ‘,p * 2 : 0 : 2);
Write(‘Dien tich = ‘,s :0 : 2);
Readln
End.