= 1/2*()*

source file #include

#include

void main()

{

float A,A,h,area;

printf("Please insert to side:");

scanf("%f",&A);

printf("Please insert to side:");

scanf("%f",&A);

printf("Please insert to side heigh:");

scanf("%f",&h);

area = . * (A+A)*h;

printf("Result area is %f",area);

}