how do i measure angles without a protractor
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Answers:Two ways you can do it. 1) You can approximate it. Draw a 90 degree angle, cut it in 3 equal slices, and the second slice closest to the 90 degree would be approximately 60 degrees. 2) Use a coordinate plane. Draw a line in which the tangent line of the origin is 60 degrees. Y = mx + b, b = 0 since it's a point in the origin. m is going to be the slope. tan(slope) = 60 degrees, so, the arctan(60) = slope. arctan(60) = 3 divided by the square root of 3. Therefore, the line must be: y = 3/(square root of 3) * x Just use the coordinate plane to plot the points of that equation and there you have a line with a 60 degree angle. :P The second one would of course get you a much more accurate 60 degree angle, especially if you graph it on graphing paper. :] I <3 graphing paper.
Answers:you could draw one with a protractor and then use a compass and straightedge to copy the angle exactly. If you don't have a protractor, then i'm sorry. To draw the construction, draw a line, then use the compass to mark the distance from the vertex and copy this distance onto the line you drew. Then, with that same distance, draw an arc about 105 degrees. Then from the point where you know by measuring the distance, draw an arc that will intersect with the just drawn one. From this point, draw a line through it and the vertex and there you go. Look on the internet for a finer explanation
Answers:You put the bottom flat edge on the line that is 0. draw a line. then mark the degree that you want. then draw a straight line from the center to the mark that you just made.good luck
Answers:Hi, You may be aware that the smallest *integer* angle that can be constructed *perfectly* is 3 degrees. Both 72 degrees and 60 degrees can be constructed perfectly. 72 degrees divided by 4 is 18 degrees and 60 divided by 4 is 15 degrees. When the two are constructed adjacent to each other, you get 18-15 degress, which results in a three degree angle. The angle of 1 degree cannot be constructed perfectly under Euclidean rules (compasses and straight edge only) because it implies a trisection (of 3 degrees), and trisection has been proved impossible. The question remains as to what variance would be acceptable in your necessarily approximate construction of the 1 degree angle?