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Review Lecture Notes
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Cartesian. Cylindrical. Polar. Spherical. None (all are three dimensional coordinate systems).
2.Which of the following lines is the longest? The "@" symbol represents relative coordinates.
LINE (1,2,1) - (4,4,7). LINE (1,4,2) - (7,7,4). LINE (1,2,1) - @(3,2,6). LINE (2,2,1) - (6,4,3). LINE (2,2,1) - @(6,4,3).
3.Which of the following lines is the longest? The "<" symbol represents the angle measured from the positive X axis in a counterclockwise direction.
LINE (2,1,0) - @(6,4,3). LINE (2,1,0) - @(8<180). LINE (2,1,0) - (7<180). LINE (2,1,0) - (6,4,3). LINE (8<90) - (10<90).
4. What is the approximate circumference of a circle of radius 4.0?
4. 8. 15. 25. 50.
True or False?
T F 5. The cartesian coordinate system is useful as a 2-D or a 3-D coordinate system.
6. An absolute coordinate is one that is measured relative to the origin.
7. The right hand rule may be used to determine the direction of positive rotation.
8. If the X axis point to your left and the Y axis points down then the Z axis point away from you.
9. The orientation of a plane may be defined by specifying three non-colinear points.
10. A pentagon is a 5 sided regular parallelogram.
