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uses crt;
var a,b,c,p,s,am,bn,cp:real;
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
write('Nhap c='); readln(c);
if (a>0) and (b>0) and (c>0) and (a+b>c) and (a+c>b) and (b+c>a) then
begin
writeln('Day la ba canh trong mot tam giac vuong');
p:=(a+b+c)/2;
s:=sqrt(p*(p-a)*(p-b)*(p-c));
writeln('Dien tich tam giac la: ',s:4:2);
am:=sqrt(2*(sqr(b)+sqr(c))-sqr(a))/4;
bn:=sqrt(2*(sqr(a)+sqr(c))-sqr(b))/4;
cp:=sqrt(2*(sqr(a)+sqr(b))-sqr(c))/4;
writeln('Do dai duong trung tuyen ung voi canh a la: ',am:4:2);
writeln('Do dai duong trung tuyen ung voi canh b la: ',bn:4:2);
writeln('Do dai duong trung tuyen ung voi canh c la: ',cp:4:2);
end
else writeln('Day khong la ba canh trong mot tam giac');
readln;
end.
2:
#include <bits/stdc++.h>
using namespace std;
double a,b,c,p,s;
int main()
{
cin>>a>>b>>c;
p=(a+b+c)/2;
s=sqrt(p*(p-a)*(p-b)*(p-c));
cout<<fixed<<setprecision(2)<<s;
return 0;
}
<bits/stdc++.h>
using namespace std;
int DTT(int a, int b, int c)
int m = sqrt(2*b*b+2*c*c-a*a)/2;
return m;
int main()
int a, b, c, m;
cout << "Nhap ba canh tam giac" << endl;
cin >> a >> b >> c;
m = DTT(a,b,c);
cout << m;
return 0;
end.
uses crt;
var a,b,c:real;
{-----------------chuong-trinh-con--------------------}
function ttuyen(x,y,z:real):integer;
begin
ttuyen:=(2*(sqr(ab)+sqr(ac))-sqr(bc));
end;
{---------------chuong-trinh-chinh-----------------------}
begin
clrscr;
repeat
write('a='); readln(a);
write('b='); readln(b);
write('c='); readln(c);
until (a>0) and (b>0) and (c>0) and (a+b>c) and (a+c>b) and (b+c>a);
writeln(sqrt(ttuyen(a,b,c))/4:4:2);
readln;
end.
Program HOC24;
var t: longint;
a,b: integer;
function gt(x: integer): longint;
var i: integer; tich: longint;
begin
tich:=1;
for i:=1 to n tich:=tich*i;
gt:=tich;
end;
begin
write('Nhap a: '); readln(a);
write('Nhap b: '); readln(b);
t:=gt(a)+gt(b)+gt(a-b);
write('T = ',t);
readln
end.
var a,b,s:integer;
c:word;
begin
write('nhap avà b ');
read(a,b);
s:=a*b*1/2;
c:=(a+b)*2;
writeln('dien tich la '; s );
write('chu vi la 'c);
readln
end
program CVDT;
uses crt;
var a,b,c,P,S;
begin
Writeln('Nhap a va b');
Readln(a,b);
c:= a*a +b*b; S:= (a*b)/2;
Writeln('Dien tich tam giac vuong la ',S);
writeln('Chu vi tam giac vuong la ', SQRT(c);
Readln;
end.
Bài 1:
function min(a,b:longint):longint;
begin
min:=a;
if min>b then min:=b;
end;
Bài 2:
function canhhuyen(a,b:real):real;
var c:real;
begin
c:=sqrt(sqr(a)+sqr(b));
canhhuyen:=c;
end;
Bài 1:
*Hàm
function dientich(var x:integer):real;
begin
dientich:=sqr(x);
end;
*Thủ tục:
procedure dientich(var x:integer);
var dt:real;
begin
dt:=sqr(x);
writeln('Dien tich hinh vuong la: ',dt:0:0);
end;
Bài 2:
*Thủ tục:
procedure dientich(var a,b,c:real);
var p,s:real;
begin
p:=(a+b+c)/2;
s:=sqrt(p*(p-a)*(p-b)*(p-c));
writeln('Dien tich tam giac la: ',s:4:2);
end;
*Hàm
function dientich(var a,b,c:real):real;
var p,s:real;
begin
p:=(a+b+c)/2;
s:=sqrt(p*(p-a)*(p-b)*(p-c));
dientich:=s;
end;
Bài 3:
*Thủ tục
procedure hoandoi(var a,b:integer);
var tam:integer;
begin
tam:=a;
a:=b;
b:=tam;
end;