**CS19002 Programming and Data Structures Laboratory** |
**Spring 2009, Section 2** |

## Assignment 0

(Simple statements, variables and assignments)

Write a C program that computes the area of a triangle. Proceed as follows.

- Read the
*x* and *y* coordinates of the three vertices of a triangle.
- Compute the lengths
*a*, *b* and *c* of the three sides of the triangle.
- Compute the semiperimeter
*s* = (*a* + *b* + *c*) / 2.
- Compute the area
*A* = [*s* (*s* - *a*) (*s* - *b*) (*s* - *c*)]^{1/2}.
- Print the area
*A*.

Report the output of your program on the following inputs.

- (3,8), (4,2), (5,9)
- (-1.1,-1.1), (2.2,-3.3), (-4.4,5.5)
- (-2,9), (3,4), (8,-1)

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