Construction of Rectangle
1.Segment AB
2.Perpendicular line to segment AB through point B.
3.New point C on the perpendiculr line.
4.Parallel line to segment AB through point C.
5.Perpendicular line to segment AB through point A.
6.Intersection point D
7.Polygon ABCD
8.Show interior angles of the rectangle.
9.Show length of the sides of the rectangle
10.Hide all the lines.
11.Save the construction.
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Sunday, October 31, 2010
Monday, October 4, 2010
Trigonometric Functions
The word Trigonometry is derived from the greek words , 'Trigon' and 'Metron' and it means 'Measuring the sides of a triangle'. The subject was originally developed to solve geometric problems involving triangles. It was studied by sea captians for navigation, surveyor to map out the new lands, by engineers and others. Currently Trigonometry isused in many areas such as the Science of seismology , designing electric circuits, describing the state atom, predicting the heights of tides in the ocean, analysing a musical tone and in many other areas.
Continue
The word Trigonometry is derived from the greek words , 'Trigon' and 'Metron' and it means 'Measuring the sides of a triangle'. The subject was originally developed to solve geometric problems involving triangles. It was studied by sea captians for navigation, surveyor to map out the new lands, by engineers and others. Currently Trigonometry isused in many areas such as the Science of seismology , designing electric circuits, describing the state atom, predicting the heights of tides in the ocean, analysing a musical tone and in many other areas.
Continue
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