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What is a line on a weather map connecting points of equal air pressure?
The lines connecting points of equal temperature on a weather map are called isotherm lines.The two parts of the word isotherm are isomeaning "same" and therm meaning "temperature".A similar construction is used for isobar, meaning a line of equal pressure.
What is the meaning of drawing in mechanical drawing?
serve as a guideor plan to the construction of whatever is represented in the drawin
Draw a line down the center of an insect What do you notice about both sides of the line?
You notice that both sides of the line are the same, meaning that insects are symmetrical.
What is the meaning of line variation?
Instead of a mechanical looking line, a line with variation will go from thin to wide, and/or light to dark, and is usually more organic looking.
How draw objects properly in perspective?
First, draw your horizon line across the top of the page. Mark two vanishing points, as far apart as possible. Draw a short vertical line for the front corner of your box and then draw a construction line from the top and bottom of the line, to each vanishing point. Next draw a vertical line to the left of your 'front corner', between the top and bottom construction lines. From the top and bottom points of this line, draw construction lines back to the RIGHT vanishing point (VP2). Next, draw a similar vertical line to the right of your 'front corner', and from the top and bottom points of this line, draw construction lines back to the LEFT vanishing point (VP1). Where the top construction lines intersect, drop a vertical line to the intersection of the bottom construction lines - this will give you the back corner of the box. Erase the construction lines and any interior lines. A helpful website I have found regarding two point perspective: http://drawsketch.about.com/gi/dynamic/offsite.htm?site=http://mathforum.org/workshops/sum98/participants/sanders/TryPersp.gsp.html
