OABCD is a rectanglebased pyramid. The picture on the right is the bird's-eye View from above. Point A is on the xaxis (red). and is 2 meters east of 0. Point C is on the y-axis (green), and is 1 meters north of 0. Each unit isl meter. The pyramid is 6 meters tall. (a) Ad? is projected onto A?) to become ATS". Sketch this projection. (b) Calculate the magnitude of this projected vector. Finally, calculate A}