What is the purpose of the following program? What output will it generate? [5 Marks] #include float triangle(float width, float height) { float ar; ar = width * height / 2.0; return (ar); } int main() { printf("Triangle #1 %f ", triangle(1.3, 8.3)); printf("Triangle #2 %f ", triangle(4.8, 9.8)); printf("Triangle #3 %f ", triangle(1.2, 2.0)); return (0)