Summary of CAD-related issues

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1. How to enter angles in ACAD? When an angle needs to be entered, simply enter the value directly; use degrees as the default unit, such as “30.5”, or you can also use “30d30’”. For minutes and seconds, you can use the ‘ and ” keys on the keyboard. If radians are to be used, add the suffix “r”, like “0.15r”. Additionally, degrees or azimuth angles can also be entered, depending on the settings for angles specified in the units command. 2. How to label text with fractions? 1) Type the “mtext” command. 2) Locate the boundary. 3) Enter “1/2” in the pop-up box. 4) Type a space, then select “Auto-stack” and “Convert to horizontal fraction” in the pop-up box. 5) Click OK, then OK again. 3. In CAD2000, how do you draw an angle line? That is, given a point, how do you draw a line that makes an angle of 5 degrees with the Y-axis? Use the polar coordinate method to enter points, which is common to all ACAD programs: first enter the first point, and when prompted for the second point, enter the distance using @ on the keyboard