Why is it important to use the Close option when drawing closed polygons using the PLINE command?
What will be an ideal response?
PLINE does not recognize a polyline figure as a closed object unless the close option is used to draw the final side.
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The construction of an inside angle corner is the same as that for an outside corner except that it is simply reversed.
Answer the following statement true (T) or false (F)
Air is assigned the dielectric constant ____ and is used as a reference for comparison.
a. 0 b. 1 c. 10 d. 100
Determine the resultant vector in standard position for the following vectors and express the magnitude to 3 significant digits and the angle to the nearest tenth degree. 
= 151.5 ft/s at 19.6°, 
= 207 ft/s at 243.0°
Fill in the blank(s) with the appropriate word(s).
All insulations perform equally well in dry, damp, and wet locations.
Answer the following statement true (T) or false (F)