Drawing Problems - Chapter 1 5 Chapter 15 Obtaining Drawing Information 449 Copyright Goodheart-Willcox Co., Inc. 12. Mechanical Draw the part view shown. Check the time when you start the drawing. Draw all the features using the PLINE and CIRCLE commands. Use the Area option of the MEASUREGEOM command and the Object, Add area, and Subtract area options to calculate the following. A. The area and perimeter of Object A. B. The area and perimeter of Object B. The slot ends are full radius. C. The area and circumference of one of the circles (C). D. The area of Object A, minus the area of Object B. E. The area of Object A, minus the areas of the other three features. Enter the TIME command and note the editing time spent on your drawing. Save the drawing as P15-12. Save a copy of P15-12 as P15-12_REV1. In the P15-12_REV1 file, change the diameter of both circles to .75 and the width of the slot to .50. Use the COMPARE command to analyze the differences between P15-12 and P15-12_REV1. Save the comparison file using the default file name. 1.75 3.00 1.00 2.00 4.50 .375 1.00 4.50 2X R 4X R.25 2X Ø.50 1.00 B A C