01 #include<stdio.h>

02 #include<math.h>

03

04 int main()

05 {

06 int b1,b2,h;

07 float area;

08

09 printf("nEnter value of the bases : ");

10 scanf("%d %d", &b1,&b2);

11

12 printf("nEnter the value of the height : ");

13 scanf("%d", &h);

14

15 area = (float) ( (b1+b2)*h )/2;

16

17 printf("nArea of a Trapezoid : %.2f", area);

18 return 0;

19 }

OUTPUT :

Enter value of the bases : 5 10

Enter the value of the height : 12

Area of a Trapezoid : 90.00