câu 1
Program hinh_chu_nhat_;
Uses Crt;
Var a,b,s,c: real;
Begin
Clrscr;
Writeln('Tinh dien tich va chu vi hinh chu nhat:’);
Writeln(‘Tinh dien tich va chu vi hinh chu nhat‘);
Write('Nhap chieu dai='); readln(a);
Write('Nhap chieu rong=');readln(b);
s:=a*b;
c:=(a+b)*2;
Writeln('Dien tich hinh chu nhat la:’,s:6:2);
Writeln('Chu vi hinh chu nhat:',c:6:2);
Readln;
End.
câu 2
Program HINHTRON;
Uses Crt;
Var r,dt,cv:real;
Begin
Clrscr;
Writeln('tinh dien tich va chu vi hinh tron');
Writeln('tinh dien tich va chu vi hinh tron');
Write ('Nhap ban kinh R='); readln(r);
dt:=pi*r*r;
cv:=2*pi*r;
Writeln('Dien tich hinh tron la:',dt:6:2);
Writeln('Chu vi hinh tron la:',cv:6:2);
Readln;
End.
