Introduction how to use a drawing compass:
In this article we are going to see how to use a drawing compass for the construction of geometrical shapes. Compass is an instrument with two arms, one arm is sharp and other one carries a pencil. It used for the construction of circles, arcs, and also draw perpendicular bisector. Let us see how to draw the circles, arcs and perpendicular bisector using compass.
how to use a drawing compass:
How drawing compass looks:
Compass is a basic geometrical tool with two arms and looks like an alphabet “V”. One arm carries needle and the other arm contains a pen or pencil with an adjustable screw. The pointer represents the center of the circle.
compass with pencil
How to use a drawing compass to draw a circle:
To construct the circle follow the given steps shown below:
Step 1:
Take the compass.
Step 2:
Adjust the screw and place the drawing pencil or pen, and then correct the screw.
Step 3:
...
on this built in compass sense to guide them in the open ocean. Another use for
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Some believe that such compass variation could have been the cause of fatal accidents as ship failed to determine the correct direction. Let the engineers tell it, it was a freak weave, unusual seafloor or supernatural theories. They will never take the blame for human errors. Human mistakes can easily be confirmed. Prime example, there are so many islands that look exactly alike when it comes to playing it by
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Trigonometry (from Greek trigōnon "triangle" + metron "measure"[1]) is a branch of mathematics that studies triangles and the relationships between the lengths of their sides and the angles between those sides. Trigonometry defines the trigonometric functions, which describe those relationships and have applicability to cyclicalphenomena, such as waves. The field evolved during the third century BC as a branch of geometry used extensively for astronomical studies.[2] It is also the foundation of the practical art of surveying.