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60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
Program to calculate area of geometric figures.
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#include<iostream.h>
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#include<math.h>
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void main()
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{
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char character;
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double area;
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cout<<"circle(c)
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";
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cout<<"square(s)
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";
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cout<<"rectangle(r)
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";
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cout<<"triangle(t)
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";
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cout<<"Select c,s,r or t:";
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loop:
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cin>>character;
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if((character=='c')||(character=='C'))
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{
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double r;
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const double pi=3.142;
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cout<<"Enter radius:";
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cin>>r;
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area=pi*pow(r,2);
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}
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else if((character=='s')||(character=='S'))
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{
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double l;
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cout<<"Enter length:";
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cin>>l;
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area=pow(l,2);
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}
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else if((character=='r')||(character=='R'))
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{
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double l,w;
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cout<<"Enter length:";
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cin>>l;
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cout<<"Enter width:";
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cin>>w;
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area=l*w;
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}
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else if((character=='t')||(character=='T'))
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{
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double b,h;
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cout<<"Enter base:";
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cin>>b;
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cout<<"Enter height:";
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cin>>h;
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area=h*b/2;
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}
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else
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{
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cout<<"Select only c,s,r or t:";
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goto loop;
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}
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cout<<"Area:"<<area<<endl;
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}
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