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1. ### Area, perimeter, rotation, reflection, rotational symmetry, and reflective symmetry?

... some real world examples of area, perimeter, rotation, reflection, reflective symmetry, and rotational symmetry? (NO...a bumpy road. ➋ "Can the bark of a tree have rotational symmetry?" There are many examples...

3 Answers · Science & Mathematics · 07/02/2011

2. ### What would be definitions of these three things?

Rotation Symmetry: rotating the object with axis as its centre...

2 Answers · Science & Mathematics · 17/01/2007

3. ### How to do rotation in Geometry?

the pre-image is the starting picture, then a rotation/reflection/translation occurs and you are left with...a point (3,5) and you want the image of a 90 degree clockwise rotation. this means (3,5) is the pre-image which when...

1 Answers · Science & Mathematics · 16/05/2010

4. ### Triangle (point rotation) Sin Cos Tan - Help -?

http://en.wikipedia.org/wiki/Rotation_matrix That's what you'll want to look...the co-ordinate of the third point after so many rotations in degrees or radians, use the rotation...

1 Answers · Science & Mathematics · 19/11/2012

5. ### Difference between rotation symmetry?

rotation of a figure about a point is simply the act of just that, rotating the figure about that point. rotational symmetry is simply the idea that if you do that rotation then the figure will look the same for every so many degrees that you rotate

1 Answers · Science & Mathematics · 18/01/2013

6. ### Car tire different from rotation in geometry?

A mathematical rotation is around a fixed point, while a car tire rolling along a road...maintain the same position relative to one another. Of course, it's possible for rotation and translation to occur on the same points at the same time, and that's pretty...

1 Answers · Science & Mathematics · 04/07/2013

7. ### is the rotation matrix the same like the cross product?

Nope. A rotation matrix rotates a point (or vector) about whatever angle you choose...in the xy plane). This would be the "same" if the rotation matrix was chosen to be representative of a 90 degree...

1 Answers · Science & Mathematics · 02/01/2012

8. ### What is rotation....?

...theta) y = x' sin(theta) + y' cos(theta) Where theta is the angle of rotation. x' is the initial x y' is the initial y x is the x after...

1 Answers · Science & Mathematics · 20/11/2008

9. ### Rotation Clockwise and anti-clockwise?

Since there are 360 degrees in one full rotation, every 360 degrees, the angle will "restart" itself. ...

1 Answers · Science & Mathematics · 17/06/2012

10. ### Can anybody help me with Matrix Rotation...?

...quot; way to do this, is to break the desired rotation into 3 transformations: a) first we translate...linear transformations, which preserve the origin. a rotation around a non-origin point WILL NOT preserve the...

2 Answers · Science & Mathematics · 25/09/2011