The RS Aggarwal Class 12 Solutions Chapter 27 Straight Line in Space Includes seven exercises. The questions in the first exercise are about the vector and cartesian equations of straight lines. In the second task, students have to show that the points given are close together. The third one talks about how to find angles between two straight lines. In the fourth exercise, you had to find the shortest distance between two lines. In the fifth exercise, students have to find the equation for a line and the shortest distance between a set of points. The sixth and seventh exercises have questions with short answers and questions with objective answers, respectively.