How did leonardo da vinci use one-point perspective in this painting? choose all answers that are correct. a. he drew a horizon line to show where the sky and earth appear to meet. b. he used a vanishing point to draw objects that run horizontally across the painting. c. he made distant objects larger than nearby objects. d. he used orthogonal lines to draw the sides of objects that run towards the vanishing point.

cad, or computer-aided design and drafting (cadd), is a software for design and technical documentation, which is an automated process as opposed to the manual drawing of plans. this gives a person an advance in making plans as an architect in a short period of time. one who can render plans through this software will gain a skill that is better than one who makes plans manually. this is a skill some companies look for in an employee.