c language

For the following shape, define the Cartesian Co-ordinates or the Pixel Co-ordinates; then evaluate the Co-ordinates system used in programming a simple output device by programing the shape. (Use your own dimensions) Task 4: For the previous shape: A) Describe the tringle (ABC) by vector coordinates B) Find the area of the tringle (ABC) C) Find the angle ABC (use dot-product) A) Construct a scaling process to scale the tringle (ABC) by a factor of 3 in the x direction and by a factor of 3 in the y direction with fixpoint B